![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260304211744-69a8a1789c0ed.png\")
<\/p>\n\u76ee\u5f55<\/p>\n
\n
\u4e00\u3001DNS\u670d\u52a1\u57fa\u7840\u77e5\u8bc6<\/p>\n
1\u3001DNS<\/p>\n
2\u3001\u57df\u540d<\/p>\n
\u2460\u57df\u540d\u7ec4\u6210<\/p>\n
\u2461\u57df\u540d\u7ba1\u7406\u4e0e\u7ed3\u6784<\/p>\n
3\u3001DNS\u670d\u52a1\u5de5\u4f5c\u539f\u7406<\/p>\n
\u2460\u4e3b\u673a\u4e2dDNS\u5ba2\u6237\u7aef\u914d\u7f6e<\/p>\n
\u2461DNS\u670d\u52a1\u89e3\u6790\u57df\u540d\u6d41\u7a0b<\/p>\n
4\u3001DNS\u67e5\u8be2\u7c7b\u578b<\/p>\n
\u2460\u9012\u5f52\u67e5\u8be2<\/p>\n
\u2461\u8fed\u4ee3\u67e5\u8be2<\/p>\n
5\u3001DNS\u89e3\u6790\u7c7b\u578b<\/p>\n
6\u3001hosts\u6587\u4ef6<\/p>\n
7\u3001\u5b8c\u6574\u7684\u57df\u540d\u67e5\u8be2\u8bf7\u6c42\u6d41\u7a0b<\/p>\n
\u4e8c\u3001DNS\u68c0\u6d4b\u5de5\u5177<\/p>\n
1\u3001dig\u547d\u4ee4<\/p>\n
2\u3001host\u547d\u4ee4<\/p>\n
3\u3001nslookup\u547d\u4ee4<\/p>\n
4\u3001rndc\u547d\u4ee4<\/p>\n
5\u3001whois\u547d\u4ee4<\/p>\n
\u4e09\u3001\u81ea\u5efaDNS\u670d\u52a1<\/p>\n
1\u3001ubuntu\u4e2d\u7684systemd-resolved\u670d\u52a1<\/p>\n
2\u3001bind\u5b89\u88c5\u548c\u914d\u7f6e<\/p>\n
3\u3001\u76f8\u5173\u914d\u7f6e\u8bf4\u660e<\/p>\n
\u2460bind\u914d\u7f6e\u6587\u4ef6\u53ca\u89e3\u6790\u6d41\u7a0b<\/p>\n
\u4e3b\u914d\u7f6e\u6587\u4ef6<\/p>\n
\u9009\u9879\u914d\u7f6e\u6587\u4ef6<\/p>\n
\u4e2d\u95f4\u914d\u7f6e\u6587\u4ef6<\/p>\n
allow\u8bbf\u95ee\u63a7\u5236\u6307\u4ee4<\/p>\n
acl\u5730\u5740\u96c6\u5408<\/p>\n
view\u89c6\u56fe<\/p>\n
\u5177\u4f53\u89e3\u6790\u89c4\u5219<\/p>\n
Resource Recode\u5b9a\u4e49<\/p>\n
\u2461A\u3001AAAA\u8bb0\u5f55<\/p>\n
\u2462CNAME\u522b\u540d\u8bb0\u5f55<\/p>\n
\u2463MX\u8bb0\u5f55<\/p>\n
\u2464NS\u8bb0\u5f55<\/p>\n
\u2465PTR\u8bb0\u5f55<\/p>\n
\u2466SOA\u8bb0\u5f55<\/p>\n
\u2467TXT\u8bb0\u5f55<\/p>\n
4\u3001\u5b9e\u73b0DNS\u81ea\u89e3\u6790\u4e3b\u673a<\/p>\n
5\u3001\u5b9e\u73b0DNS\u81ea\u89e3\u6790\u7684\u4e3b\u4ece<\/p>\n
6\u3001\u5b9e\u73b0DNS\u81ea\u89e3\u6790\u7684\u53cd\u5411\u89e3\u6790<\/p>\n
7\u3001\u5b9e\u73b0DNS\u7f13\u5b58<\/p>\n
8\u3001\u5b9e\u73b0DNS\u81ea\u89e3\u6790\u7684\u5b50\u57df<\/p>\n
9\u3001\u5b9e\u73b0DNS\u81ea\u89e3\u6790\u7684\u89c6\u56fe<\/p>\n
\u56db\u3001\u667a\u80fdDNS\u89e3\u6790<\/p>\n
1\u3001GLSB\u5168\u5c40\u8d1f\u8f7d\u5747\u8861<\/p>\n
2\u3001\u5185\u5bb9\u5206\u53d1\u7f51\u7edcCDN<\/p>\n
\u8bbe\u8ba1\u80cc\u666f：\u00a0 \u00a0 \u00a0 \u00a0<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u26aaDNS：Domain Name System （\u57df\u540d\u7cfb\u7edf）\u00a0\u662f\u4e92\u8054\u7f51\u4e0a\u89e3\u51b3\u7f51\u7edc\u4e2d\u673a\u5668\u547d\u540d\u7684\u4e00\u79cd\u7cfb\u7edf\u3002\u5728\u7f51\u7edc\u4e2d，\u4e00\u53f0\u4e3b\u673a\u53bb\u8bbf\u95ee\u53e6\u5916\u4e00\u53f0\u4e3b\u673a\u65f6，\u5fc5\u987b\u8981\u77e5\u9053\u76ee\u6807\u4e3b\u673a\u7684IP\u5730\u5740，\u867d\u7136\u7f51\u7edc\u4e0a\u7684\u8282\u70b9\u90fd\u53ef\u4ee5\u7528IP\u5730\u5740\u6765\u6807\u8bc6，\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7IP\u5730\u5740\u88ab\u8bbf\u95ee\u3002\u4f46\u5bf9\u4e8e\u4eba\u800c\u8a00，\u4e00\u7ec4\u7ec4\u7531\u6570\u5b57\u7ec4\u6210\u7684IP\u5730\u5740，\u662f\u96be\u4ee5\u88ab\u7406\u89e3\u548c\u8bb0\u5fc6\u7684\u3002\u4e8e\u662f\u8bbe\u8ba1\u51fa\u4e86\u57df\u540d\u7cfb\u7edf，\u7528\u4e00\u7ec4\u6709\u610f\u4e49\u7684\u5b57\u7b26\u6765\u8868\u793a\u67d0\u4e2a\u7279\u5b9a\u4e3b\u673a\u6216\u67d0\u4e2a\u7f51\u7edc，\u518d\u5c06\u7f51\u7edc\u4e2d\u4e3b\u673aIP\u5730\u5740\u548c\u57df\u540d\u4e4b\u95f4\u505a\u6210\u4e00\u4e2a\u6620\u5c04\u8868\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
\u5b9a\u4e49\u53ca\u529f\u80fd： \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u26aaDNS \u5c31\u662f\u8d1f\u8d23\u7ef4\u62a4\u4e3b\u673aIP\u5730\u5740\u548c\u57df\u540d\u6620\u5c04\u5173\u7cfb\u7684\u670d\u52a1，\u540c\u65f6\u4e5f\u63d0\u4f9b\u57df\u540d\u89e3\u6790\u670d\u52a1，\u5373\u4eba\u7c7b\u901a\u8fc7\u57df\u540d\u8bbf\u95ee\u67d0\u4e2a\u4e3b\u673a\u6216\u8282\u70b9\u65f6，\u7531DNS\u670d\u52a1\u5c06\u4eba\u7c7b\u53ef\u8bfb\u7684\u57df\u540d\u8f6c\u6362\u4e3a\u673a\u5668\u53ef\u8bfb\u7684IP\u5730\u5740，\u518d\u901a\u8fc7IP\u5730\u5740\u627e\u5230\u5bf9\u5e94\u7684\u4e3b\u673a\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u26aa\u5728\u4e92\u8054\u7f51\u65f6\u4ee3，\u65e5\u5e38\u7684\u5de5\u4f5c\u548c\u751f\u6d3b，\u53ea\u8981\u6d89\u53ca\u5230\u7f51\u7edc，\u90fd\u5df1\u7ecf\u79bb\u4e0d\u5f00DNS\u670d\u52a1\u4e86\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u57df\u540d (Domain Name)，\u53c8\u79f0\u7f51\u57df，\u662f\u4e00\u4e2a\u57df\u7684\u540d\u79f0\u3002 \u662f\u4e00\u4e32\u7528\u70b9\u53f7\u5206\u9694\u7684\u5b57\u7b26，\u53ef\u4ee5\u7528\u6765\u6807\u8bc6\u7f51\u7edc\u4e2d\u67d0\u53f0\u4e3b\u673a\u6216\u67d0\u4e2a\u8282\u70b9，\u7531DNS\u670d\u52a1\u7ef4\u62a4\u57df\u540d\u548c\u4e3b\u673aIP\u5730\u5740\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb，\u5f53\u6211\u4eec\u5728\u7f51\u7edc\u4e2d\u8bbf\u95ee\u67d0\u4e2a\u57df\u540d\u65f6，\u5b9e\u9645\u4e0a\u8bbf\u95ee\u7684\u662f\u8be5\u57df\u540d\u5bf9\u5e94\u7684IP\u5730\u5740\u6240\u6807\u8bc6\u7684\u4e3b\u673a\u3002<\/p>\n
#\u5c06\u57df\u540d\u8f6c\u6362\u4e3aIP\u5730\u5740\u8fdb\u884c\u901a\u4fe1<\/p>\n
[root@ubuntu-158 ~]# ping www.baidu.com -c1
\nPING www.a.shifen.com (220.181.111.232) 56(84) bytes of data.
\n64 bytes from 220.181.111.232: icmp_seq=1 ttl=128 time=9.06 ms<\/p>\n
— www.a.shifen.com ping statistics —
\n1 packets transmitted, 1 received, 0% packet loss, time 0ms
\nrtt min\/avg\/max\/mdev = 9.061\/9.061\/9.061\/0.000 ms<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0FQDN（Fully Qualified Domain Name）\u5168\u9650\u5b9a\u57df\u540d，\u57df\u540d\u662f\u4e00\u4e2a\u57df\u7684\u540d\u79f0，\u4e00\u4e2a\u7f51\u57df\u6216\u4e00\u4e2a\u8282\u70b9，\u53ef\u4ee5\u6709\u591a\u53f0\u4e3b\u673a，\u6240\u4ee5\u4e3a\u4e86\u7cbe\u786e\u8868\u793a\u57df\u91cc\u9762\u7684\u67d0\u53f0\u4e3b\u673a，\u5728\u4f7f\u7528\u57df\u540d\u65f6，\u8fd8\u9700\u8981\u52a0\u4e0a\u4e3b\u673a\u540d，FQDN\u6307\u7684\u5c31\u662f\u540c\u65f6\u5e26\u6709\u4e3b\u673a\u540d\u548c\u57df\u540d\u7684\u540d\u79f0\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u4f8b\u5982：www.baidu.com，\u4e3b\u673a\u540d：www，\u4e8c\u7ea7\u57df\u540d：baidu，\u4e00\u7ea7\u57df\u540d：.com，\u6839\u57df：.，\u901a\u5e38\u60c5\u51b5\u4e0b\u6839\u57df\u4f1a\u88ab\u7701\u7565，DNS\u7cfb\u7edf\u81ea\u52a8\u8865\u5168，\u57df\u540d：baidu.com\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u26aa\u57df\u540d\u7531\u82f1\u6587\u5b57\u6bcd，\u6570\u5b57\u548c\u82f1\u6587\u8fde\u5b57\u7b26(-) \u7ec4\u6210，\u4e14\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u26aa\u57df\u540d\u662f\u5206\u5c42\u6b21\u7684，\u5141\u8bb8\u5b9a\u4e49\u5b50\u57df，\u5b50\u57df\u540d\u4e0e\u4e0a\u7ea7\u57df\u540d\u4e4b\u95f4\u7528 . (\u70b9\u53f7)\u5206\u9694，\u6700\u4e0a\u5c42\u8282\u70b9\u7684\u57df\u540d\u79f0\u4e3a\u9876\u7ea7\u57df\u540d(TLD，Top-Level Domain)，\u7b2c\u4e8c\u5c42\u8282\u70b9\u7684\u57df\u540d\u79f0\u4e3a\u4e8c\u7ea7\u57df\u540d，\u4f9d\u6b64\u7c7b\u63a8\u3002\u7ea7\u522b\u6700\u4f4e\u7684\u57df\u540d\u5199\u5728\u6700\u5de6\u8fb9，\u800c\u7ea7\u522b\u6700\u9ad8\u7684\u57df\u540d\u5199\u5728\u6700\u53f3\u8fb9\u3002\u6bcf\u4e00\u5c42\u7ea7\u7684\u57df\u540d\u957f\u5ea6\u4e0d\u80fd\u8d85\u8fc763\u4e2a\u5b57\u7b26，\u591a\u7ea7\u57df\u540d\u52a0\u8d77\u6765\u4e0d\u80fd\u8d85\u8fc7255\u4e2a\u5b57\u7b26\u3002\u57df\u540d\u6700\u591a\u53ef\u4ee5\u6709127\u7ea7\u3002\u00a0\u00a0\u00a0<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u26aa\u5b9e\u9645\u4e0a，\u5728\u9876\u7ea7\u57df\u540d\u4e4b\u4e0a，\u8fd8\u6709\u4e00\u4e2a\u57df\u540d\u53eb\u6839\u57df，\u53ea\u4e0d\u8fc7\u5728\u4f7f\u7528\u4e2d\u4e00\u822c\u7701\u7565\u4e0d\u5199\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u57df\u540d\u7531\u627f\u62c5\u57df\u540d\u7cfb\u7edf\u7ba1\u7406\u3001IP \u5730\u5740\u5206\u914d\u7b49\u591a\u9879\u804c\u80fd\u7684\u975e\u76c8\u5229\u673a\u6784 ICANN \u7ba1\u7406，\u5176\u4e3a\u4e0d\u540c\u56fd\u5bb6\u6216\u5730\u533a\u8bbe\u7f6e\u901a\u5e38\u7531\u4e24\u4e2a\u82f1\u6587\u5b57\u6bcd\u7ec4\u6210\u7684\u9876\u7ea7\u57df\u540d，\u5982.uk \u4ee3\u8868\u82f1\u56fd\u7b49\u3001.fr\u4ee3\u8868\u6cd5\u56fd，\u4e2d\u56fd\u9876\u7ea7\u57df\u540d\u4e3a.cn，\u4e14.cn \u4e0b\u57df\u540d\u7531 CNNIC \u7ba1\u7406 \u3002<\/p>\n
<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u26aa\u6839\u57df：\u5168\u7403\u5171\u670913\u53f0IPV4\u6839\u57df\u540d\u670d\u52a1\u5668，\u4e0d\u8d1f\u8d23\u76f4\u63a5\u89e3\u6790\u8d1f\u8d23\u7684\u59d4\u6258\u9876\u7ea7\u57df\u540d\u3002 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u26aa\u4e00\u7ea7\u57df\u540d：\u53c8\u79f0\u9876\u7ea7\u57df\u540d，\u53ef\u5206\u4e3a\u4e09\u7c7b，\u4e00\u7c7b\u4ee3\u8868\u56fd\u5bb6\u548c\u5730\u533a（cn，hk…），\u4e00\u7c7b\u4ee3\u8868\u5404\u7c7b\u7ec4\u7ec7（com，edu…），\u4ee5\u53ca\u53cd\u5411\u57df\u3002 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u26aa\u4e8c\u7ea7\u57df\u540d：\u67d0\u4e2a\u5177\u4f53\u7ec4\u7ec7，\u5355\u4f4d，\u673a\u6784，\u5546\u4e1a\u516c\u53f8\u6216\u4e2a\u4eba\u4f7f\u7528，\u9700\u8981\u5411\u57df\u540d\u7ba1\u7406\u673a\u6784\u7533\u8bf7(\u4ed8\u8d39)\u624d\u80fd\u83b7\u5f97\u4f7f\u7528\u6743\u3002 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u26aa\u4e8c\u7ea7\u57df\u540d\u4ee5\u4e0b\u7684\u57df\u540d，\u7531\u4f7f\u7528\u8be5\u57df\u540d\u7684\u7ec4\u7ec7\u81ea\u884c\u5206\u914d\u3002<\/p>\n
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![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260304211744-69a8a178de1c9.png\")
<\/p>\n
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#Rocky8-\u624b\u52a8\u914d\u7f6eDNS\u670d\u52a1\u5668\u5730\u5740
\n[root@rocky8-153 ~]#cat \/etc\/sysconfig\/network-scripts\/ifcfg-eth1
\nTYPE=Ethernet
\nNAME=eth1
\nIPADDR=10.0.0.163
\nPREFIX=24
\nDEVICE=eth1
\nGATEWAY=10.0.0.2
\nDNS1=10.0.0.2 #\u9ad8\u53ef\u7528DNS1\u6545\u969c\u5219DNS2\u5de5\u4f5c
\nDNS2=114.114.114.114<\/p>\n
#\u67e5\u770bDNS
\n[root@rocky8-153 ~]#cat \/etc\/resolv.conf
\n# Generated by NetworkManager
\nsearch localdomain
\nnameserver 10.0.0.2
\nnameserver 114.114.114.114
\n#ubuntu
\n[root@ubuntu-158 netplan]# cat eth0.yaml
\nnetwork:
\n version: 2
\n ethernets:
\n eth0:
\n #dhcp4: true
\n addresses: [10.0.0.158\/24]
\n gateway4: 10.0.0.2
\n nameservers:
\n addresses: [223.5.5.5,8.8.8.8]<\/p>\n
#\u67e5\u770bDNS
\n[root@ubuntu-158 netplan]# resolvectl status
\nGlobal
\n Protocols: -LLMNR -mDNS -DNSOverTLS DNSSEC=no\/unsupported
\n resolv.conf mode: stub<\/p>\n
Link 2 (eth0)
\n Current Scopes: DNS
\n Protocols: +DefaultRoute -LLMNR -mDNS -DNSOverTLS DNSSEC=no\/unsupported
\n DNS Servers: 223.5.5.5 8.8.8.8
\n Default Route: yes<\/p>\n
[root@ubuntu-158 netplan]# cat \/etc\/resolv.conf
\n…
\nnameserver 127.0.0.53
\noptions edns0 trust-ad
\nsearch localdomain <\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260304211745-69a8a17942476.png\")
<\/p>\n
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\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e00\u822c\u5ba2\u6237\u673a\u548c\u672c\u5730DNS\u670d\u52a1\u5668\u4e4b\u95f4\u5c5e\u4e8e\u9012\u5f52\u67e5\u8be2，\u5373\u5f53\u5ba2\u6237\u673a\u5411DNS\u670d\u52a1\u5668\u53d1\u51fa\u8bf7\u6c42\u540e，\u82e5DNS\u670d\u52a1\u5668\u672c\u8eab\u4e0d\u80fd\u89e3\u6790，\u5219\u4f1a\u5411\u53e6\u5916\u7684DNS\u670d\u52a1\u5668\u53d1\u51fa\u67e5\u8be2\u8bf7\u6c42，\u5f97\u5230\u6700\u7ec8\u7684\u80af\u5b9a\u6216\u5426\u5b9a\u7684\u7ed3\u679c\u540e\u8f6c\u4ea4\u7ed9\u5ba2\u6237\u673a\u3002\u6b64\u67e5\u8be2\u7684\u6e90\u548c\u76ee\u6807\u4fdd\u6301\u4e0d\u53d8，\u4e3a\u4e86\u67e5\u8be2\u7ed3\u679c\u53ea\u9700\u8981\u53d1\u8d77\u4e00\u6b21\u67e5\u8be2\u3002 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u9012\u5f52\u7b97\u6cd5：\u5ba2\u6237\u7aef\u5411LocalDNS\u53d1\u8d77\u57df\u540d\u67e5\u8be2–>localDNS\u4e0d\u77e5\u9053\u57df\u540d\u5bf9\u5e94\u7684IP–>\u4f46\u5b83\u77e5\u9053\u8c01\u77e5\u9053->\u4ed6\u4ee3\u4e3a\u5e2e\u5ba2\u6237\u7aef\u53bb\u67e5\u627e–>\u6700\u540e\u518d\u8fd4\u56de\u6700\u7ec8\u7ed3\u679c\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6307DNS\u670d\u52a1\u5668\u5728\u6536\u5230\u7528\u6237\u53d1\u8d77\u7684\u8bf7\u6c42\u65f6，\u5e76\u4e0d\u76f4\u63a5\u56de\u590d\u67e5\u8be2\u7ed3\u679c，\u800c\u662f\u544a\u8bc9\u53e6\u4e00\u53f0DNS\u670d\u52a1\u5668\u7684\u5730\u5740，\u7528\u6237\u518d\u5411\u8fd9\u53f0DNS\u670d\u52a1\u5668\u63d0\u4ea4\u8bf7\u6c42，\u8fd9\u6837\u4f9d\u6b21\u53cd\u590d，\u76f4\u5230\u8fd4\u56de\u67e5\u8be2\u7ed3\u679c\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e00\u822c\u60c5\u51b5\u4e0b(\u6709\u4f8b\u5916)\u672c\u5730\u7684DNS\u670d\u52a1\u5668\u5411\u5176\u5b83DNS\u670d\u52a1\u5668\u7684\u67e5\u8be2\u5c5e\u4e8e\u8fed\u4ee3\u67e5\u8be2，\u5982：\u82e5\u5bf9\u65b9\u4e0d\u80fd\u8fd4\u56de\u6743\u5a01\u7684\u7ed3\u679c，\u5219\u5b83\u4f1a\u5411\u4e0b\u4e00\u4e2aDNS\u670d\u52a1\u5668(\u53c2\u8003\u524d\u4e00\u4e2aDNS\u670d\u52a1\u5668\u8fd4\u56de\u7684\u7ed3\u679c)\u518d\u6b21\u53d1\u8d77\u8fdb\u884c\u67e5\u8be2，\u76f4\u5230\u8fd4\u56de\u67e5\u8be2\u7684\u7ed3\u679c\u4e3a\u6b62\u3002\u6b64\u67e5\u8be2\u7684\u6e90\u4e0d\u53d8，\u4f46\u67e5\u8be2\u7684\u76ee\u6807\u4e0d\u65ad\u53d8\u5316，\u4e3a\u67e5\u8be2\u7ed3\u679c\u4e00\u822c\u9700\u8981\u53d1\u8d77\u591a\u6b21\u67e5\u8be2\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8fed\u4ee3\u7b97\u6cd5：\u5ba2\u6237\u7aef\u5411LocalDNS\u53d1\u8d77\u57df\u540d\u67e5\u8be2–>localDNS\u4e0d\u77e5\u9053\u57df\u540d\u5bf9\u5e94\u7684IP–>\u4f46\u5b83\u77e5\u9053\u8c01\u77e5\u9053\u5e76\u63a8\u8350\u5ba2\u6237\u7aef\u5e94\u8be5\u627e\u8c01–>\u5ba2\u6237\u7aef\u81ea\u5df1\u53bb\u627e\u5b83\u3002<\/p>\n
\u2462DNS\u7f13\u5b58<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0DNS\u7f13\u5b58\u662f\u5c06\u89e3\u6790\u6570\u636e\u5b58\u50a8\u5728\u9760\u8fd1\u53d1\u8d77\u8bf7\u6c42\u7684\u5ba2\u6237\u7aef\u7684\u4f4d\u7f6e，\u4e5f\u53ef\u4ee5\u8bf4DNS\u6570\u636e\u662f\u53ef\u4ee5\u7f13\u5b58\u5728\u4efb\u610f\u4f4d\u7f6e，\u6700\u7ec8\u76ee\u7684\u662f\u4ee5\u6b64\u51cf\u5c11\u9012\u5f52\u67e5\u8be2\u8fc7\u7a0b，\u53ef\u4ee5\u66f4\u5feb\u7684\u8ba9\u7528\u6237\u83b7\u5f97\u8bf7\u6c42\u7ed3\u679c\u3002<\/p>\n
#Windows\u7cfb\u7edf\u663e\u793aDNS\u7f13\u5b58
\nC:\\\\Users\\\\HhAosocool>ipconfig\/displaydns<\/p>\n
Windows IP \u914d\u7f6e<\/p>\n
www.baidu.com
\n —————————————-
\n \u8bb0\u5f55\u540d\u79f0. . . . . . . : www.baidu.com
\n \u8bb0\u5f55\u7c7b\u578b. . . . . . . : 5
\n \u751f\u5b58\u65f6\u95f4. . . . . . . : 25
\n \u6570\u636e\u957f\u5ea6. . . . . . . : 8
\n \u90e8\u5206. . . . . . . . . : \u7b54\u6848
\n CNAME \u8bb0\u5f55 . . . . . : www.a.shifen.com<\/p>\n
\u8bb0\u5f55\u540d\u79f0. . . . . . . : www.a.shifen.com
\n \u8bb0\u5f55\u7c7b\u578b. . . . . . . : 1
\n \u751f\u5b58\u65f6\u95f4. . . . . . . : 25
\n \u6570\u636e\u957f\u5ea6. . . . . . . : 4
\n \u90e8\u5206. . . . . . . . . : \u7b54\u6848
\n A (\u4e3b\u673a)\u8bb0\u5f55 . . . . : 220.181.111.1
\n …<\/p>\n
#Windows\u7cfb\u7edf\u6e05\u9664DNS\u7f13\u5b58
\nC:\\\\Users\\\\HhAosocool>ipconfig\/flushdns<\/p>\n
Windows IP \u914d\u7f6e<\/p>\n
\u5df2\u6210\u529f\u5237\u65b0 DNS \u89e3\u6790\u7f13\u5b58\u3002
\n#Centos\u7cfb\u7edf\u67e5\u770bDNS\u7f13\u5b58
\n[root@rocky8-153 ~]#nscd -g<\/p>\n
#Centos\u7cfb\u7edf\u6e05\u7a7aDNS\u7f13\u5b58
\n[root@rocky8-153 ~]#nscd -g hosts<\/p>\n
#Ubuntu\u7cfb\u7edf\u67e5\u770bDNS\u7f13\u5b58
\n[root@ubuntu2204-150 ~]# resolvectl statistics<\/p>\n
#Ubuntu\u7cfb\u7edf\u6e05\u7a7aDNS\u7f13\u5b58
\n[root@ubuntu2204-150 ~]# resolvectl reset-statistics <\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0DNS\u670d\u52a1\u5668\u91cc\u9762\u6709\u4e24\u4e2a\u533a\u57df，\u5373 \u6b63\u5411\u67e5\u627e\u533a\u57df \u548c \u53cd\u5411\u67e5\u627e\u533a\u57df\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6b63\u5411\u89e3\u6790：\u5c06\u57df\u540d\u89e3\u6790\u6210IP\u5730\u5740\u3002 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u53cd\u5411\u89e3\u6790：\u6839\u636eIP\u5730\u5740\u5f97\u5230\u8be5IP\u5730\u5740\u6307\u5411\u7684\u57df\u540d\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f8b\u5982：www.hhaoo.com\u2014\u2014\u89e3\u6790\u2014\u20145.5.5.5 ，\u6b63\u5411\u89e3\u6790，\u8be5\u914d\u7f6e\u5e76\u4e0d\u80fd\u63d0\u4f9b\u53cd\u5199\u89e3\u6790，\u5e76\u4e0d\u80fd\u4e92\u76f8\u901a\u7528\u3002<\/p>\n
hosts\u6587\u4ef6\u662f\u5f15\u5165DNS\u670d\u52a1\u4e4b\u524d\u7684\u89e3\u6790\u65b9\u6848<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u65e9\u671f\u7684 internet \u7f51\u7edc\u89c4\u6a21\u975e\u5e38\u5c0f，\u4e00\u4e2ahosts\u6587\u4ef6\u5c31\u53ef\u4ee5\u5b9a\u4e49\u6240\u6709\u7684\u57df\u540d\u4e0eIP\u5730\u5740\u7684\u6620\u5c04\u5173\u7cfb，\u7ba1\u7406\u673a\u6784\u63d0\u4f9b\u8be5\u6587\u4ef6\u4e0b\u8f7d\u5730\u5740，\u5e76\u5b9a\u671f\u66f4\u65b0\u6587\u4ef6\u5185\u5bb9，\u4ee5\u6b64\u6765\u53cd\u6620\u7f51\u7edc\u4e0a\u7684\u53d8\u5316\u3002\u4f46\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb，\u63a5\u5165 internet \u7684\u4e3b\u673a\u548c\u57df\u540d\u8d8a\u6765\u8d8a\u591a，\u901a\u8fc7\u4e00\u4e2a\u4e2d\u5fc3\u6587\u4ef6\u7ba1\u7406\u6240\u6709\u57df\u540d\u4e0eIP\u5730\u5740\u6620\u5c04\u5173\u7cfb\u5df1\u7ecf\u4e0d\u518d\u53ef\u53d6，\u4e8e\u662f\u4fbf\u5f15\u5165\u4e86DNS\u670d\u52a1\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0hosts\u6587\u4ef6\u662f\u4e00\u4e2a\u6ca1\u6709\u6269\u5c55\u540d\u7684\u7cfb\u7edf\u6587\u4ef6，\u53ef\u4ee5\u76f4\u63a5\u7528\u6587\u672c\u7f16\u8f91\u5de5\u5177\u4fee\u6539，\u5728\u8be5\u6587\u4ef6\u4e2d\u76f4\u63a5\u5b9a\u4e49\u57df\u540d\u4e0eIP\u5730\u5740\u7684\u5bf9\u5e94\u5173\u7cfb，\u5f53\u4e3b\u673a\u8bbf\u95ee\u67d0\u4e2a\u57df\u540d\u65f6，\u4f1a\u5148\u4ecehosts\u6587\u4ef6\u4e2d\u5bfb\u627e\u4e0e\u8be5\u57df\u540d\u5bf9\u5e94\u7684IP\u5730\u5740，\u5982\u679c\u627e\u5230，\u5219\u76f4\u63a5\u8bf7\u6c42\u8be5IP\u5730\u5740，\u5982\u679c\u627e\u4e0d\u5230，\u624d\u4f1a\u5c06\u8be5\u57df\u540d\u63d0\u4ea4DNS\u670d\u52a1\u8bf7\u6c42\u89e3\u6790\u8be5\u57df\u540d\u5bf9\u5e94\u7684IP\u5730\u5740\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6ce8：\u6587\u4ef6\u53ea\u8d1f\u8d23\u8fd4\u56de\u4e0e\u57df\u540d\u5bf9\u5e94\u7684IP\u5730\u5740，\u4f46\u8be5IP\u5730\u5740\u5728\u7f51\u7edc\u4e0a\u662f\u5426\u662f\u53ef\u8fbe\u7684，\u5e76\u4e0d\u7531DNS\u51b3\u5b9a\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u64cd\u4f5c\u7cfb\u7edf\u89c4\u5b9a，\u5728\u8fdb\u884cDNS\u8bf7\u6c42\u4ee5\u524d，\u5148\u68c0\u67e5\u7cfb\u7edf\u81ea\u5df1\u7684hosts\u6587\u4ef6\u4e2d\u662f\u5426\u6709\u8fd9\u4e2a\u57df\u540d\u548cIP\u7684\u6620\u5c04\u5173\u7cfb\u3002\u5982\u679c\u6709，\u5219\u76f4\u63a5\u8bbf\u95ee\u8fd9\u4e2aIP\u5730\u5740\u6307\u5b9a\u7684\u7f51\u7edc\u4f4d\u7f6e，\u5982\u679c\u6ca1\u6709，\u518d\u5411\u5df2\u77e5\u7684DNS\u670d\u52a1\u5668\u63d0\u51fa\u57df\u540d\u89e3\u6790\u8bf7\u6c42\u3002\u4e5f\u5c31\u662f\u8bf4Hosts\u7684IP\u89e3\u6790\u4f18\u5148\u7ea7\u6bd4DNS\u8981\u9ad8\u3002<\/p>\n
#Windows\u7cfb\u7edf\u4e2d\u7684hosts\u6587\u4ef6
\n%windir%\\\\System32\\\\drivers\\\\etc\\\\hosts<\/p>\n
#%windir% \u662fwindows \u7cfb\u7edf\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u5199\u6cd5，\u8868\u793a Windows \u5b89\u88c5\u76ee\u5f55，\u4e0a\u8ff0\u8def\u5f84\u4e00\u822c\u662f
\nC:\\\\Windows\\\\System32\\\\drivers\\\\etc<\/p>\n
#Linux\u7cfb\u7edf\u4e2d\u7684hosts\u6587\u4ef6
\n[root@rocky8-153 ~]#cat \/etc\/hosts
\n127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
\n::1 localhost localhost.localdomain localhost6 localhost6.localdomain6<\/p>\n
[root@ubuntu2204-150 ~]# cat \/etc\/hosts
\n127.0.0.1 localhost
\n127.0.1.1 ubuntu<\/p>\n
# The following lines are desirable for IPv6 capable hosts
\n::1 ip6-localhost ip6-loopback
\nfe00::0 ip6-localnet
\nff00::0 ip6-mcastprefix
\nff02::1 ip6-allnodes
\nff02::2 ip6-allrouters<\/p>\n
[root@ubuntu2204-150 ~]# ping ubuntu
\nPING ubuntu (127.0.1.1) 56(84) bytes of data.
\n64 bytes from ubuntu (127.0.1.1): icmp_seq=1 ttl=64 time=0.971 ms
\n64 bytes from ubuntu (127.0.1.1): icmp_seq=2 ttl=64 time=0.036 ms
\n^C
\n— ubuntu ping statistics —
\n2 packets transmitted, 2 received, 0% packet loss, time 1002ms
\nrtt min\/avg\/max\/mdev = 0.036\/0.503\/0.971\/0.467 ms<\/p>\n
#\u76f4\u63a5\u5728hosts\u4e2d\u6307\u5b9a\u57df\u540d\u7684IP\u5730\u5740
\n[root@ubuntu2204-150 ~]# ping www.baidu.com
\nPING www.a.shifen.com (220.181.111.1) 56(84) bytes of data.
\n64 bytes from 220.181.111.1 (220.181.111.1): icmp_seq=1 ttl=128 time=22.6 ms
\n^C
\n— www.a.shifen.com ping statistics —
\n1 packets transmitted, 1 received, 0% packet loss, time 0ms
\nrtt min\/avg\/max\/mdev = 22.552\/22.552\/22.552\/0.000 ms<\/p>\n
[root@ubuntu2204-150 ~]# vim \/etc\/hosts
\n5.5.5.5 www.baidu.com #\u6dfb\u52a0<\/p>\n
[root@ubuntu2204-150 ~]# ping www.baidu.com
\nPING www.baidu.com (5.5.5.5) 56(84) bytes of data.
\n^C
\n— www.baidu.com ping statistics —
\n1 packets transmitted, 0 received, 100% packet loss, time 0ms<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u3001\u4e3b\u673a\u8bf7\u6c42\u4e00\u4e2a\u57df\u540d\u65f6，\u5148\u67e5\u8be2\u672c\u5730 hosts \u6587\u4ef6，\u662f\u5426\u6709\u5bf9\u5e94IP\u5730\u5740，\u5982\u679c\u6709，\u5219\u76f4\u63a5\u8bbf\u95ee\u8be5IP\u5730\u5740，\u57df\u540d\u89e3\u6790\u670d\u52a1\u7ed3\u675f\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02\u3001\u5982\u679c\u672c\u5730 hosts \u6587\u4ef6\u4e2d\u6ca1\u6709\u5bf9\u5e94IP\u5730\u5740，\u5219\u67e5\u8be2\u672c\u5730DNS\u7f13\u5b58，\u5982\u679c\u672c\u5730DNS\u7f13\u5b58\u4e2d\u6709\u5bf9\u5e94IP\u5730\u5740，\u5219\u76f4\u63a5\u8bbf\u95ee\u8be5IP\u5730\u5740，\u57df\u540d\u89e3\u6790\u670d\u52a1\u7ed3\u675f\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03\u3001\u5982\u679c\u6ca1\u6709\u672c\u5730DNS\u7f13\u5b58，\u6216\u672c\u5730DNS\u7f13\u5b58\u4e2d\u6ca1\u6709\u8be5\u57df\u540d\u7684IP\u5730\u5740，\u5219\u8bf7\u6c42\u4e3b\u673a\u914d\u7f6e\u7684DNS\u670d\u52a1\u5668\u6765\u89e3\u6790\u8be5\u57df\u540d\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04\u3001DNS\u670d\u52a1\u5668\u7ecf\u8fc7\u8fed\u4ee3\u67e5\u8be2，\u5c06\u67e5\u8be2\u7ed3\u679c\u8fd4\u56de\u7ed9\u4e3b\u673a，\u4e3b\u673a\u6839\u636e\u8fd4\u56de\u7ed3\u679c\u8bbf\u95ee\u5bf9\u5e94IP\u5730\u5740\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0dig（Domain Information Groper）\u57df\u540d\u4fe1\u606f\u67e5\u8be2\u5de5\u5177，dig \u547d\u4ee4\u4e0d\u4f1a\u67e5\u8be2\u672c\u5730 hosts\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u57df\u540d\u548cIP\u5bf9\u5e94\u5173\u7cfb\u3002<\/p>\n
#\u5b89\u88c5
\n[root@ubuntu2204-150 ~]# apt install bind9<\/p>\n
#\u67e5\u8be2\u6765\u6e90
\n[root@ubuntu2204-150 ~]# dpkg -S \/usr\/bin\/dig
\nbind9-dnsutils: \/usr\/bin\/dig<\/p>\n
#\u547d\u4ee4\u683c\u5f0f \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0
\ndig [@global-server] [domain] [q-type] [q-class] {q-opt}
\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 {global-d-opt} host [@local-server] {local-d-opt}
\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 [ host [@local-server] {local-d-opt} […]] \u00a0 \u00a0 \u00a0
\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0
\ndig [-t type] name [@SERVER] [query options] \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0
\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0
\n@global-server #\u6307\u5b9aDNS\u670d\u52a1\u5668
\ndomain #\u8981\u67e5\u8be2\u7684\u57df\u540d
\nq-type #\u8981\u67e5\u8be2\u7684\u8bb0\u5f55\u7c7b\u578b(a,any,mx,ns,soa,hinfo,axfr,txt,…)，\u9ed8\u8ba4a
\nq-class #\u8981\u67e5\u8be2\u7684\u89e3\u6790\u7c7b\u578b(in|hs|ch)，\u9ed8\u8ba4 in
\nq-opt #\u9009\u9879
\nd-opt #\u67e5\u8be2\u9009\u9879<\/p>\n
#q-opt \u9879
\n-h #\u663e\u793a\u5e2e\u52a9
\n-v #\u663e\u793a\u7248\u672c\u53f7
\n-4 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 #\u4ec5\u67e5\u8be2IPV4\u7684DNS\u670d\u52a1\u5668
\n-6 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 #\u4ec5\u67e5\u8be2IPV6\u7684DNS\u670d\u52a1\u5668
\n-b address[#port] \u00a0#\u4f7f\u7528\u6307\u5b9a\u5ba2\u6237\u7aefIP\u53bb\u67e5\u8be2DNS
\n-c class \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (specify query class)
\n-f filename \u00a0 \u00a0 \u00a0 #\u4ece\u6587\u4ef6\u4e2d\u83b7\u53d6\u8981\u67e5\u8be2\u7684\u57df\u540d
\n-i \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (use IP6.INT for IPv6 reverse lookups)
\n-k keyfile \u00a0 \u00a0 \u00a0 \u00a0 (specify tsig key file)
\n-m \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (enable memory usage debugging)
\n-p port \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 #\u6307\u5b9aDNS\u670d\u52a1\u67e5\u8be2\u7aef\u53e3
\n-q name \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0(specify query name)
\n-r \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (do not read ~\/.digrc)
\n-t type \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0#\u6307\u5b9a\u8981\u67e5\u8be2\u7684\u8d44\u6e90\u8bb0\u5f55\u7c7b\u578bA|NS|AAA|PTR|…
\n-u \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 #\u4ee5\u5fae\u79d2\u663e\u793a\u6253\u5370\u65f6\u95f4
\n-x dot-notation \u00a0 #\u53cd\u5411\u89e3\u6790
\n-y [hmac:]name:key (specify named base64 tsig key)<\/p>\n
#d-opt \u9879
\n+[no]trace #\u662f\u5426\u8ffd\u8e2a\u67e5\u8be2\u8fc7\u7a0b
\n+[no]cmd #\u662f\u5426\u5728\u67e5\u8be2\u7ed3\u679c\u4e2d\u663e\u793a\u5934\u4fe1\u606f
\n+[no]recurse #\u662f\u5426\u8fdb\u884c\u9012\u5f52\u89e3\u6790\u67e5\u8be2
\n+[no]all #\u662f\u5426\u663e\u793a\u6240\u6709\u4fe1\u606f，\u5982\u679c\u5426，\u8981\u6307\u660e\u5177\u4f53\u663e\u793a\u5185\u5bb9
\n+[no]answer \u00a0 \u00a0 \u00a0 \u00a0#\u662f\u5426\u663e\u793aanswer\u90e8\u4efd
\n+[no]question #\u662f\u5426\u663e\u793aquestion\u90e8\u4efd
\n+[no]authority \u00a0 \u00a0 #\u662f\u5426\u663e\u793aauthority\u90e8\u4efd
\n+[no]comment #\u662f\u5426\u663e\u793acomment\u90e8\u4efd
\n+[no]stat #\u662f\u5426\u663e\u793astatus\u90e8\u4efd
\n+[no]short #\u662f\u5426\u53ea\u663e\u793a\u5173\u952e\u4fe1\u606f<\/p>\n
#\u5e38\u7528\u7ec4\u5408
\ndig domain
\ndig @dns-erver domain | dig domain @dns-server
\ndig -t q-type domain | dig domain q-type
\ngit -x IP | dig -t ptr reverseIP.in-addr.arpa #reverseIP \u8868\u793a\u5c06\u8981\u67e5\u8be2\u7684IP\u5012\u5e8f\u8f93\u51fa
\n[root@ubuntu2204-150 ~]# dig<\/p>\n
#dig\u547d\u4ee4\u7248\u672c\u548c\u53c2\u6570
\n; <<>> DiG 9.18.39-0ubuntu0.22.04.1-Ubuntu <<>> #\u6b64\u5904\u67e5\u8be2\u53c2\u6570\u4e3a\u7a7a
\n;; global options: +cmd #\u9ed8\u8ba4\u9009\u9879，\u6b64\u9879\u8868\u793a\u663e\u793a\u5934\u90e8\u8f6f\u4ef6\u7248\u672c\u548c\u53c2\u6570\u4fe1\u606f<\/p>\n
#\u67e5\u8be2\u7ed3\u679c
\n;; Got answer:
\n;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34552 #QUERY \u8868\u793a\u662f\u6267\u884c\u67e5\u8be2\u64cd\u4f5c，NOERROR \u8868\u793a\u89e3\u6790\u6210\u529f
\n;; flags: qr rd ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 16<\/p>\n
# opcode: QUERY \u6267\u884c\u67e5\u8be2\u64cd\u4f5c
\n# status: NOERROR \u6ca1\u6709\u9519\u8bef，\u89e3\u6790\u6210\u529f
\n# id: 34552 \u6b64\u6b21\u67e5\u8be2\u7684ID，\u5728dns\u534f\u8bae\u4e2d，\u901a\u8fc7ID\u7f16\u53f7\u5339\u914d\u67e5\u8be2\u8bf7\u6c42\u548c\u8fd4\u56de\u7ed3\u679c
\n# flags: qr rd ra \u6807\u5fd7\u4f4d
\n#
\n# qr (query，\u67e5\u8be2\u6807\u5fd7，\u4ee3\u8868\u67e5\u8be2\u64cd\u4f5c)
\n# rd (recursion desired, \u8868\u793a\u5ba2\u6237\u7aef\u5e0c\u671b\u8fdb\u884c\u9012\u5f52\u67e5\u8be2)
\n# ra (recursive available, \u8868\u793aDNS\u670d\u52a1\u5668\u652f\u6301\u9012\u5f52\u67e5\u8be2)
\n# aa (Authoritative Answer, \u6743\u5a01\u56de\u590d，\u5982\u679c\u67e5\u8be2\u7ed3\u679c\u7531\u7ba1\u7406\u57df\u540d\u7684\u57df\u540d\u670d\u52a1\u5668\u800c\u4e0d\u662f\u7f13\u5b58\u670d\u52a1\u5668\u63d0\u4f9b\u7684，\u5219\u79f0\u4e3a\u6743\u5a01\u56de\u590d)
\n#
\n#QUERY: 1 \u67e5\u8be2\u6570，\u8868\u793a1\u4e2a\u67e5\u8be2，\u5bf9\u5e94\u4e0b\u9762 QUESTION SECTION\u4e2d\u7684\u8bb0\u5f55\u6570
\n#ANSWER: 13 \u67e5\u8be2\u7ed3\u679c，\u8868\u793a\u670913\u4e2a\u67e5\u8be2\u7ed3\u679c，\u5bf9\u5e94\u4e0b\u9762 ANSWER SECTION \u4e2d\u7684\u8bb0\u5f55\u6570
\n#AUTHORITY: 0 \u6743\u5a01\u57df\u540d\u670d\u52a1\u5668\u8bb0\u5f55\u6570\u91cf，\u6b64\u5904\u8868\u793a\u67090\u4e2a\u6743\u5a01\u57df\u540d\u670d\u52a1\u5668
\n#ADDITIONAL: 16 \u989d\u5916\u8bb0\u5f55\u6570\u91cf，\u6b64\u5904\u8868\u793a\u670916\u4e2a\u989d\u5916\u8bb0\u5f55，\u6b64\u5904\u7f3a\u5931\u8be5\u90e8\u4efd\u5185\u5bb9<\/p>\n
#\u9009\u9879
\n;; OPT PSEUDOSECTION:
\n; EDNS: version: 0, flags:; udp: 65494<\/p>\n
#EDNS: Extended DNS \u6269\u5c55\u7528\u6237\u6570\u636e\u62a5\u6587\u534f\u8bae
\n#version:0 \u534f\u8bae\u7248\u672c\u4e3a 0
\n#flag:; \u6807\u8bb0\u4f4d\u4e3a\u7a7a
\n#udp:65494 \u6570\u636e\u5305\u5927\u5c0f<\/p>\n
#\u67e5\u8be2\u57df\u540d，\u6b64\u5904\u8868\u793a\u67e5\u6839\u57df
\n;; QUESTION SECTION:
\n;.INNS<\/p>\n
#\u5177\u4f53\u67e5\u8be2\u7ed3\u679c
\n#\u7b2c\u4e00\u5217\u662f\u8981\u8981\u8be2\u7684\u57df\u540d
\n#\u7b2c\u4e8c\u5217\u662fTTL(time to live),\u8868\u793a\u8be5\u8bb0\u5f55\u7684\u7f13\u5b58\u65f6\u95f4，\u5355\u4f4d\u662f\u79d2
\n#\u7b2c\u4e09\u5217\u662f\u8981\u67e5\u8be2\u7684\u4fe1\u606f\u7c7b\u578b，IN\u4ee3\u8868\u7c7b\u522b\u4e3aIP\u534f\u8bae，\u5373Internet
\n#\u7b2c\u56db\u5217\u662f\u8981\u67e5\u8be2\u7684\u8bb0\u5f55\u7c7b\u578b，NS\u8868\u793aname server，\u5373\u57df\u540d\u670d\u52a1\u5668
\n#\u7b2c\u4e94\u5217\u8868\u793a\u67e5\u8be2\u5f97\u5230\u7684\u503c
\n;; ANSWER SECTION:
\n.5INNSk.root-servers.net.
\n.5INNSm.root-servers.net.
\n.5INNSc.root-servers.net.
\n.5INNSg.root-servers.net.
\n.5INNSi.root-servers.net.
\n.5INNSf.root-servers.net.
\n.5INNSh.root-servers.net.
\n.5INNSb.root-servers.net.
\n.5INNSj.root-servers.net.
\n.5INNSe.root-servers.net.
\n.5INNSd.root-servers.net.
\n.5INNSa.root-servers.net.
\n.5INNSl.root-servers.net.<\/p>\n
;; ADDITIONAL SECTION:
\na.root-servers.net.5INA198.41.0.4
\nb.root-servers.net.5INA170.247.170.2
\nc.root-servers.net.5INA192.33.4.12
\nd.root-servers.net.5INA199.7.91.13
\ne.root-servers.net.5INA192.203.230.10
\nf.root-servers.net.5INA192.5.5.241
\ng.root-servers.net.5INA192.112.36.4
\nh.root-servers.net.5INA198.97.190.53
\ni.root-servers.net.5INA192.36.148.17
\nj.root-servers.net.5INA192.58.128.30
\nk.root-servers.net.5INA193.0.14.129
\nl.root-servers.net.5INA199.7.83.42
\nm.root-servers.net.5INA202.12.27.33
\na.root-servers.net.5INAAAA2001:503:ba3e::2:30
\nb.root-servers.net.5INAAAA2801:1b8:10::b<\/p>\n
#\u672c\u6b21\u67e5\u8be2\u7edf\u8ba1\u4fe1\u606f
\n;; Query time: 7 msec #\u672c\u6b21\u67e5\u8be2\u6d88\u8017\u65f6\u957f
\n;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP) #DNS\u670d\u52a1\u5668\u4e3a10.0.0.2 \u7aef\u53e3\u662f53
\n;; WHEN: Sat Oct 18 08:28:37 UTC 2025 #\u67e5\u8be2\u65f6\u95f4
\n;; MSG SIZE rcvd: 503 #\u8fd4\u56de\u5185\u5bb9\u957f\u5ea6\u4e3a503\u5b57\u8282 <\/p>\n
\u67e5\u8be2DNS\u89e3\u6790，\u4f7f\u7528\u9ed8\u8ba4DNS\u670d\u52a1\u5668<\/p>\n
[root@ubuntu2204-150 ~]# dig www.baidu.com<\/p>\n
; <<>> DiG 9.18.39-0ubuntu0.22.04.1-Ubuntu <<>> www.baidu.com
\n;; global options: +cmd
\n;; Got answer:
\n;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26413
\n;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 5, ADDITIONAL: 10<\/p>\n
;; OPT PSEUDOSECTION:
\n; EDNS: version: 0, flags:; udp: 65494
\n;; QUESTION SECTION:
\n;www.baidu.com.INA<\/p>\n
;; ANSWER SECTION:
\nwww.baidu.com.5INCNAMEwww.a.shifen.com.
\nwww.a.shifen.com.5INA220.181.111.232
\nwww.a.shifen.com.5INA220.181.111.1<\/p>\n
;; AUTHORITY SECTION:
\na.shifen.com.5INNSns4.a.shifen.com.
\na.shifen.com.5INNSns1.a.shifen.com.
\na.shifen.com.5INNSns5.a.shifen.com.
\na.shifen.com.5INNSns2.a.shifen.com.
\na.shifen.com.5INNSns3.a.shifen.com.<\/p>\n
;; ADDITIONAL SECTION:
\nns5.a.shifen.com.5INA180.76.76.95
\nns1.a.shifen.com.5INA110.242.68.42
\nns2.a.shifen.com.5INA220.181.33.32
\nns3.a.shifen.com.5INA36.155.132.12
\nns3.a.shifen.com.5INA153.3.238.162
\nns4.a.shifen.com.5INA14.215.177.229
\nns4.a.shifen.com.5INA111.20.4.28
\nns5.a.shifen.com.5INAAAA240e:940:603:a:0:ff:b08d:239d
\nns5.a.shifen.com.5INAAAA240e:bf:b801:1006:0:ff:b04f:346b<\/p>\n
;; Query time: 79 msec
\n;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP)
\n;; WHEN: Sat Oct 18 08:55:23 UTC 2025
\n;; MSG SIZE rcvd: 359<\/p>\n
#\u77ed\u683c\u5f0f
\n[root@ubuntu2204-150 ~]# dig www.baidu.com +short
\nwww.a.shifen.com.
\n220.181.111.232
\n220.181.111.1 <\/p>\n
\u6307\u5b9aDNS\u670d\u52a1\u5668，\u6307\u5b9a\u672c\u673a\u8bf7\u6c42DNS\u670d\u52a1\u7684IP<\/p>\n
[root@ubuntu2204-150 ~]# dig @114.114.114.114 www.jose-404.com -b 10.0.0.150<\/p>\n
; <<>> DiG 9.18.39-0ubuntu0.22.04.1-Ubuntu <<>> @114.114.114.114 www.jose-404.com -b 10.0.0.150
\n; (1 server found)
\n;; global options: +cmd
\n;; Got answer:
\n;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62841
\n;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0<\/p>\n
;; QUESTION SECTION:
\n;www.jose-404.com.INA<\/p>\n
;; ANSWER SECTION:
\nwww.jose-404.com.600INA47.94.245.255<\/p>\n
;; Query time: 263 msec
\n;; SERVER: 114.114.114.114#53(114.114.114.114) (UDP)
\n;; WHEN: Sat Oct 18 09:08:09 UTC 2025
\n;; MSG SIZE rcvd: 50 <\/p>\n
\u53cd\u5411\u89e3\u6790<\/p>\n
[root@ubuntu2204-150 ~]# dig -x 47.94.245.255 +nocmd
\n;; Got answer:
\n;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33985
\n;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1<\/p>\n
;; OPT PSEUDOSECTION:
\n; EDNS: version: 0, flags:; udp: 65494
\n;; QUESTION SECTION:
\n;255.245.94.47.in-addr.arpa.INPTR<\/p>\n
;; AUTHORITY SECTION:
\n94.47.in-addr.arpa.5INSOArdns1.alidns.com. dnsmgr.alibaba-inc.com. 2015011340 1800 600 1814400 300<\/p>\n
;; Query time: 35 msec
\n;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP)
\n;; WHEN: Sat Oct 18 09:08:36 UTC 2025
\n;; MSG SIZE rcvd: 126<\/p>\n
[root@ubuntu2204-150 ~]# dig -t ptr 255.245.94.47.in-addr.arpa +nocmd
\n… <\/p>\n
\u4ece\u6587\u4ef6\u4e2d\u83b7\u53d6\u8981\u67e5\u8be2\u7684\u57df\u540d<\/p>\n
[root@ubuntu2204-150 1018]# vim domain.txt
\n[root@ubuntu2204-150 1018]# cat domain.txt
\nwww.baidu.com
\n[root@ubuntu2204-150 1018]# dig -f domain.txt +short
\nwww.a.shifen.com.
\n220.181.111.1
\n220.181.111.232<\/p>\n
\u53ea\u67e5\u8be2\u522b\u540d\u89e3\u6790<\/p>\n
[root@ubuntu2204-150 1018]# dig -t cnmae www.baidu.com
\n…<\/p>\n
[root@ubuntu2204-150 1018]# dig www.jd.com in cname
\n… <\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0host \u547d\u4ee4\u53ef\u4ee5\u6839\u636e\u57df\u540d\u67e5\u8be2\u5f97\u5230\u5bf9\u5e94\u7684\u670d\u52a1\u5668IP\u5730\u5740，host \u547d\u4ee4\u4e0d\u4f1a\u67e5\u8be2\u672c\u5730 hosts\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u57df\u540d\u548cIP\u5bf9\u5e94\u5173\u7cfb\u3002<\/p>\n
host [option] hostname [server]<\/p>\n
#\u5e38\u7528\u9009\u9879
\n-a #\u663e\u793a\u6240\u6709\u4fe1\u606f
\n-c #\u6307\u5b9a\u67e5\u8be2\u7c7b\u578b HS|CH|IN
\n-C #\u67e5\u8be2SOA
\n-d #\u540c -v
\n-i IP6.INT reverse lookups
\n-l lists all hosts in a domain, using AXFR
\n-m set memory debugging flag (trace|record|usage)
\n-N changes the number of dots allowed before root lookup is done
\n-p #\u6307\u5b9a\u7aef\u53e3
\n-r #\u4e0d\u9012\u5f52\u67e5\u8be2
\n-R specifies number of retries for UDP packets
\n-s a SERVFAIL response should stop query
\n-t #\u6307\u5b9a\u67e5\u8be2\u7c7b\u578b CNAME|NS|SOA|TXT|DNSKEY|AXFR|…
\n-T #\u4f7f\u7528TCP\u8fdb\u884cDNS\u67e5\u8be2
\n-U #\u4f7f\u7528UDP\u8fdb\u884cDNS\u67e5\u8be2
\n-v #\u663e\u793a\u6267\u884c\u8fc7\u7a0b
\n-V #\u663e\u793a\u547d\u4ee4\u7248\u672c
\n-w #\u5982\u679c\u6ca1\u6709\u67e5\u8be2\u7ed3\u679c，\u5219\u963b\u585e，\u4e00\u76f4\u7b49\u5f85
\n-W N #\u7b49\u5f85N\u79d2\u540e\u8d85\u65f6
\n-4 #\u4ec5\u67e5\u8be2IPV4\u7684DNS server
\n-6 #\u4ec5\u67e5\u8be2IPV4\u7684DNS server
\n[root@ubuntu2204-150 1018]# host www.baidu.com
\nwww.baidu.com is an alias for www.a.shifen.com.
\nwww.a.shifen.com has address 220.181.111.1
\nwww.a.shifen.com has address 220.181.111.232
\nwww.a.shifen.com has IPv6 address 2408:871a:2100:1b23:0:ff:b07a:7ebc
\nwww.a.shifen.com has IPv6 address 2408:871a:2100:186c:0:ff:b07e:3fbc <\/p>\n
\u6307\u5b9aDNS\u670d\u52a1\u5668<\/p>\n
[root@ubuntu2204-150 1018]# host www.baidu.com 114.114.114.114
\nUsing domain server:
\nName: 114.114.114.114
\nAddress: 114.114.114.114#53
\nAliases: <\/p>\n
www.baidu.com is an alias for www.a.shifen.com.
\nwww.a.shifen.com has address 220.181.111.1
\nwww.a.shifen.com has address 220.181.111.232
\nwww.a.shifen.com has IPv6 address 240e:83:205:381:0:ff:b00f:96a2
\nwww.a.shifen.com has IPv6 address 240e:83:205:1cd:0:ff:b0b8:dee9<\/p>\n
\u663e\u793a\u6240\u6709\u4fe1\u606f<\/p>\n
[root@ubuntu2204-150 1018]# host -a www.baidu.com 114.114.114.114
\nTrying "www.baidu.com"
\nUsing domain server:
\nName: 114.114.114.114
\nAddress: 114.114.114.114#53
\nAliases: <\/p>\n
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24726
\n;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 0<\/p>\n
;; QUESTION SECTION:
\n;www.baidu.com.INANY<\/p>\n
;; ANSWER SECTION:
\nwww.baidu.com.658INCNAMEwww.a.shifen.com.
\nwww.a.shifen.com.88INAAAA240e:83:205:1cd:0:ff:b0b8:dee9
\nwww.a.shifen.com.88INAAAA240e:83:205:381:0:ff:b00f:96a2
\nwww.a.shifen.com.88INA220.181.111.232
\nwww.a.shifen.com.88INA220.181.111.1<\/p>\n
Received 146 bytes from 114.114.114.114#53 in 159 ms<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0nslookup：(name server lookup)，\u4e00\u4e2a\u547d\u4ee4\u884c\u4e0b\u7684\u7f51\u7edc\u5de5\u5177，\u4e3b\u8981\u7528\u6765\u67e5\u8be2DNS\u8bb0\u5f55，\u67e5\u770b\u57df\u540d\u89e3\u6790\u662f\u5426\u6b63\u5e38，\u4e5f\u53ef\u7528\u6765\u8bca\u65ad\u7f51\u7edc\u95ee\u9898\u3002 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0nslookup \u652f\u6301\u4ea4\u4e92\u5f0f\u548c\u975e\u4ea4\u4e92\u5f0f\u4e24\u79cd\u6267\u884c\u65b9\u5f0f，\u5728Windows\u7cfb\u7edf\u4e2d\u548cLinux\u7cfb\u7edf\u4e2d\u90fd\u53ef\u4ee5\u4f7f\u7528\u3002 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0nslookup \u547d\u4ee4\u4e0d\u4f1a\u67e5\u8be2\u672c\u5730 hosts\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u57df\u540d\u548cIP\u5bf9\u5e94\u5173\u7cfb，\u4e5f\u4e0d\u80fd\u67e5\u8be2dns\u7684\u9012\u5f52\u6216\u8005\u8fed\u4ee3\u3002<\/p>\n
nslookup [-option] [name | -] [server]<\/p>\n
#\u975e\u4ea4\u4e92\u5f0f\u9009\u9879
\n-type #\u6307\u5b9a\u67e5\u8be2\u7c7b\u578b A|AAAA|CNAME|…
\n-query <\/p>\n
set
\nserver IP\/DNS Name #\u6307\u5b9aDNS\u670d\u52a1\u5668,\u53ef\u4ee5\u7528IP\u5730\u5740\u6216\u57df\u540d
\nroot
\n-a
\n-d
\n-t type <\/p>\n
\u4ea4\u4e92\u5f0f\u3001\u975e\u4ea4\u4e92\u5f0f\u67e5\u8be2<\/p>\n
[root@ubuntu2204-150 1018]# nslookup
\n> www.baidu.com
\nServer:127.0.0.53 #\u672c\u6b21\u67e5\u8be2\u4f7f\u7528\u7684DNS\u670d\u52a1\u5668
\nAddress:127.0.0.53#53 #DNS\u670d\u52a1\u5668IP\u5730\u5740\u4ee5\u53ca\u76d1\u542c\u7aef\u53e3<\/p>\n
Non-authoritative answer:
\nwww.baidu.comcanonical name = www.a.shifen.com.
\nName:www.a.shifen.com
\nAddress: 220.181.111.1
\nName:www.a.shifen.com
\nAddress: 220.181.111.232
\nName:www.a.shifen.com
\nAddress: 240e:83:205:1cd:0:ff:b0b8:dee9
\nName:www.a.shifen.com
\nAddress: 240e:83:205:381:0:ff:b00f:96a2
\n> <\/p>\n
[root@ubuntu2204-150 1018]# nslookup www.baidu.com
\nServer:127.0.0.53
\nAddress:127.0.0.53#53<\/p>\n
Non-authoritative answer:
\nwww.baidu.comcanonical name = www.a.shifen.com.
\nName:www.a.shifen.com
\nAddress: 220.181.111.1
\nName:www.a.shifen.com
\nAddress: 220.181.111.232
\nName:www.a.shifen.com
\nAddress: 2408:871a:2100:186c:0:ff:b07e:3fbc
\nName:www.a.shifen.com
\nAddress: 2408:871a:2100:1b23:0:ff:b07a:7ebc<\/p>\n
Windos\u7cfb\u7edf\u4e2d\u4f7f\u7528<\/p>\n
#\u975e\u4ea4\u4e92\u5f0f
\nC:\\\\Users\\\\HhAosocool>nslookup www.baidu.com
\n\u670d\u52a1\u5668: UnKnown
\nAddress: 59.67.168.252<\/p>\n
\u975e\u6743\u5a01\u5e94\u7b54:
\n\u540d\u79f0: www.a.shifen.com
\nAddresses: 2408:871a:2100:1b23:0:ff:b07a:7ebc
\n 2408:871a:2100:186c:0:ff:b07e:3fbc
\n 220.181.111.1
\n 220.181.111.232
\nAliases: www.baidu.com<\/p>\n
#\u4ea4\u4e92\u5f0f
\nC:\\\\Users\\\\HhAosocool>nslookup
\n\u9ed8\u8ba4\u670d\u52a1\u5668: UnKnown
\nAddress: 59.67.168.252<\/p>\n
> www.baidu.com
\n\u670d\u52a1\u5668: UnKnown
\nAddress: 59.67.168.252<\/p>\n
\u975e\u6743\u5a01\u5e94\u7b54:
\n\u540d\u79f0: www.a.shifen.com
\nAddresses: 2408:871a:2100:186c:0:ff:b07e:3fbc
\n 2408:871a:2100:1b23:0:ff:b07a:7ebc
\n 220.181.111.232
\n 220.181.111.1
\nAliases: www.baidu.com<\/p>\n
> <\/p>\n
\u6307\u5b9aNDS\u670d\u52a1\u5668<\/p>\n
[root@ubuntu2204-150 1018]# nslookup www.taobao.com 114.114.114.114
\nServer:114.114.114.114
\nAddress:114.114.114.114#53<\/p>\n
Non-authoritative answer:
\nwww.taobao.comcanonical name = www.taobao.com.danuoyi.tbcache.com.
\nName:www.taobao.com.danuoyi.tbcache.com
\nAddress: 106.8.159.210
\nName:www.taobao.com.danuoyi.tbcache.com
\nAddress: 106.8.159.211
\nName:www.taobao.com.danuoyi.tbcache.com
\nAddress: 240e:b1:a830:0:3::26
\nName:www.taobao.com.danuoyi.tbcache.com
\nAddress: 240e:b1:a830:0:3::25<\/p>\n
[root@ubuntu2204-150 1018]# nslookup
\n> server 223.5.5.5
\nDefault server: 223.5.5.5
\nAddress: 223.5.5.5#53
\n> www.taobao.com
\nServer:223.5.5.5
\nAddress:223.5.5.5#53<\/p>\n
Non-authoritative answer:
\nwww.taobao.comcanonical name = www.taobao.com.danuoyi.tbcache.com.
\nName:www.taobao.com.danuoyi.tbcache.com
\nAddress: 106.8.159.210
\nName:www.taobao.com.danuoyi.tbcache.com
\nAddress: 106.8.159.211
\nName:www.taobao.com.danuoyi.tbcache.com
\nAddress: 240e:b1:a830:0:3::26
\nName:www.taobao.com.danuoyi.tbcache.com
\nAddress: 240e:b1:a830:0:3::25
\n> <\/p>\n
\u67e5\u770b\u9ed8\u8ba4\u914d\u7f6e\u548c\u9009\u9879<\/p>\n
[root@ubuntu2204-150 1018]# nslookup
\n> set all
\nDefault server: 127.0.0.53
\nAddress: 127.0.0.53#53<\/p>\n
Set options:
\n novcnodebugnod2
\n searchrecurse
\n timeout = 0retry = 3port = 53ndots = 1
\n querytype = A class = IN
\n srchlist = localdomain
\n> <\/p>\n
\u6307\u5b9a\u67e5\u8be2\u7c7b\u578b<\/p>\n
[root@ubuntu2204-150 1018]# nslookup -type=cname www.baidu.com
\nServer:127.0.0.53
\nAddress:127.0.0.53#53<\/p>\n
Non-authoritative answer:
\nwww.baidu.comcanonical name = www.a.shifen.com.<\/p>\n
Authoritative answers can be found from:
\nbaidu.comnameserver = ns3.baidu.com.
\nbaidu.comnameserver = ns7.baidu.com.
\nbaidu.comnameserver = dns.baidu.com.
\nbaidu.comnameserver = ns2.baidu.com.
\nbaidu.comnameserver = ns4.baidu.com.
\nns7.baidu.cominternet address = 180.76.76.92
\ndns.baidu.cominternet address = 110.242.68.134
\nns3.baidu.cominternet address = 153.3.238.93
\nns3.baidu.cominternet address = 36.155.132.78
\nns2.baidu.cominternet address = 220.181.33.31
\nns4.baidu.cominternet address = 111.45.3.226
\nns4.baidu.cominternet address = 14.215.178.80
\nns7.baidu.comhas AAAA address 240e:bf:b801:1002:0:ff:b024:26de
\nns7.baidu.comhas AAAA address 240e:940:603:4:0:ff:b01b:589a
\ndns.baidu.comhas AAAA address 240e:bf:b801:1002:0:ff:b024:26de
\nns2.baidu.comhas AAAA address 240e:940:603:4:0:ff:b01b:589a<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0rndc \u662f bind \u7a0b\u5e8f\u7684\u5ba2\u6237\u7aef\u5de5\u5177，\u9ed8\u8ba4\u4f7f\u7528 TCP\u7684 953 \u7aef\u53e3\u8fde\u63a5 bind \u670d\u52a1\u5668，\u7528\u4e8e\u5bf9 DNS \u670d\u52a1\u5668（named \u8fdb\u7a0b）\u8fdb\u884c\u5b89\u5168\u7ba1\u7406\u3002<\/p>\n
[root@ubuntu2204-150 1018]# which rndc
\n\/usr\/sbin\/rndc<\/p>\n
#\u683c\u5f0f
\nrndc [-b address] [-c config] [-s server] [-p port] [-k key-file ] [-y key] [-r] [-V] command<\/p>\n
#\u5e38\u7528\u5b50\u547d\u4ee4
\nstatus #\u67e5\u770bBIND\u670d\u52a1\u72b6\u6001
\nreload #\u91cd\u8f7d\u4e3b\u914d\u7f6e\u6587\u4ef6\u548c\u533a\u57df\u89e3\u6790\u5e93\u6587\u4ef6
\nreload zonename #\u91cd\u8f7d\u533a\u57df\u89e3\u6790\u5e93\u6587\u4ef6
\nretransfer zonename #\u624b\u52a8\u542f\u52a8\u533a\u57df\u4f20\u9001，\u800c\u4e0d\u7ba1\u5e8f\u5217\u53f7\u662f\u5426\u589e\u52a0
\nnotify zonename #\u91cd\u65b0\u5bf9\u533a\u57df\u4f20\u9001\u53d1\u901a\u77e5
\nreconfig #\u91cd\u8f7d\u4e3b\u914d\u7f6e\u6587\u4ef6
\nquerylog #\u5f00\u542f\u6216\u5173\u95ed\u67e5\u8be2\u65e5\u5fd7\u6587\u4ef6\/var\/log\/message
\ntrace #\u9012\u589edebug\u4e00\u4e2a\u7ea7\u522b
\ntrace LEVEL #\u6307\u5b9a\u4f7f\u7528\u7684\u7ea7\u522b
\nnotrace #\u5c06\u8c03\u8bd5\u7ea7\u522b\u8bbe\u7f6e\u4e3a 0
\nflush #\u6e05\u7a7aDNS\u670d\u52a1\u5668\u7684\u6240\u6709\u7f13\u5b58\u8bb0\u5f55 <\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0whois \u662f\u4e00\u4e2a\u7528\u4e8e\u67e5\u8be2\u57df\u540d\u6216 IP \u5730\u5740\u6ce8\u518c\u4fe1\u606f\u7684\u547d\u4ee4\u884c\u5de5\u5177，\u80fd\u591f\u83b7\u53d6\u57df\u540d\u6240\u6709\u8005\u3001\u6ce8\u518c\u5546\u3001\u6ce8\u518c\u65e5\u671f\u3001\u8fc7\u671f\u65e5\u671f\u3001DNS \u670d\u52a1\u5668\u7b49\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n
#\u5b89\u88c5
\n[root@ubuntu ~]# apt install whois -y<\/p>\n
#\u683c\u5f0f
\nwhois [OPTION]… OBJECT…<\/p>\n
#\u5e38\u7528\u9009\u9879
\n-H \u00a0 \u00a0 \u00a0 #\u4e0d\u663e\u793a\u76f8\u5173\u6cd5\u5f8b\u58f0\u660e \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0
\n–help \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 #\u663e\u793a\u5e2e\u52a9\u4fe1\u606f
\n–version \u00a0 \u00a0 \u00a0 #\u663e\u793a\u7248\u672c\u4fe1\u606f<\/p>\n
#\u4e0b\u5217\u9009\u9879\u9700\u8981 whois.ript.net \u548c RIPE-like \u670d\u52a1\u5668\u652f\u6301
\n-x #\u7cbe\u786e\u5339\u914d
\n-b #\u8f93\u51fa\u7b80\u7565\u5185\u5bb9
\n-a #\u641c\u7d22\u6240\u6709\u6570\u636e\u5e93\u955c\u50cf
\n-s SOURCE[,SOURCE] #\u4ece\u6307\u5b9a\u6570\u636e\u5e93\u4e2d\u67e5\u8be2
\n-q [version|sources|types] #\u67e5\u8be2\u670d\u52a1\u5668\u4fe1\u606f
\n[root@ubuntu2204-150 1018]# whois baidu.com
\n Domain Name: BAIDU.COM
\n Registry Domain ID: 11181110_DOMAIN_COM-VRSN
\n Registrar WHOIS Server: whois.markmonitor.com
\n Registrar URL: http:\/\/markmonitor.com
\n Updated Date: 2025-04-08T00:48:16Z
\n Creation Date: 1999-10-11T11:05:17Z
\n Registry Expiry Date: 2028-10-11T11:05:17Z
\n Registrar: MarkMonitor Information Technology (Shanghai) Co., Ltd.
\n Registrar IANA ID: 3838
\n Registrar Abuse Contact Email: abusecomplaints@markmonitor.com
\n Registrar Abuse Contact Phone: +1.2083895740
\n … <\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728 ubuntu \u7cfb\u7edf\u4e2d，\u867d\u7136\u5728\u7f51\u5361\u4e2d\u914d\u7f6e\u4e86 DNS \u670d\u52a1\u5668\u7684IP\u5730\u5740，\u4f46\u5728\u4f7f\u7528\u76f8\u5173\u547d\u4ee4\u8fdb\u884c DNS \u89e3\u6790\u65f6，\u9ed8\u8ba4\u7684 DNS \u670d\u52a1\u5668\u4f7f\u7528\u7684\u662f 127.0.0.53，\u800c\u5e76\u4e0d\u662f\u6211\u4eec\u5728\u7f51\u5361\u4e0a\u914d\u7f6e\u7684DNS \u670d\u52a1\u5668\u5730\u5740\u3002<\/p>\n
[root@ubuntu-158 netplan]# cat eth0.yaml
\nnetwork:
\n version: 2
\n ethernets:
\n eth0:
\n #dhcp4: true
\n addresses: [10.0.0.158\/24]
\n gateway4: 10.0.0.2
\n nameservers:
\n addresses: [223.5.5.5,8.8.8.8]<\/p>\n
[root@ubuntu-158 netplan]# resolvectl status
\nGlobal
\n Protocols: -LLMNR -mDNS -DNSOverTLS DNSSEC=no\/unsupported
\n resolv.conf mode: stub<\/p>\n
Link 2 (eth0)
\n Current Scopes: DNS
\n Protocols: +DefaultRoute -LLMNR -mDNS -DNSOverTLS DNSSEC=no\/unsupported
\nCurrent DNS Server: 223.5.5.5
\n DNS Servers: 223.5.5.5 8.8.8.8
\n Default Route: yes<\/p>\n
[root@ubuntu-158 netplan]# nslookup www.baidu.com
\nServer:127.0.0.53
\nAddress:127.0.0.53#53<\/p>\n
Non-authoritative answer:
\nwww.baidu.comcanonical name = www.a.shifen.com.
\nName:www.a.shifen.com
\nAddress: 220.181.111.1
\nName:www.a.shifen.com
\nAddress: 220.181.111.232
\nName:www.a.shifen.com
\nAddress: 240e:83:205:381:0:ff:b00f:96a2
\nName:www.a.shifen.com
\nAddress: 240e:83:205:1cd:0:ff:b0b8:dee9<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Ubuntu \u9ed8\u8ba4\u81ea\u5e26 systemd-resolved \u4e3a\u672c\u5730\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u57df\u540d\u89e3\u6790\u670d\u52a1，\u7cfb\u7edf\u901a\u8fc7\u5b83\u5bf9\u5916\u8fdb\u884c dns \u8bf7\u6c42，\u800c\u4e0d\u662f\u4f20\u7edf\u610f\u4e49\u4e0a\u7684\u72ec\u7acb DNS \u670d\u52a1\u5668\u3002<\/p>\n
[root@ubuntu-158 ~]# ll \/etc\/resolv.conf
\nlrwxrwxrwx 1 root root 39 Apr 16 2025 \/etc\/resolv.conf -> ..\/run\/systemd\/resolve\/stub-resolv.conf<\/p>\n
[root@ubuntu-158 ~]# cat \/etc\/resolv.conf | grep -Ev '^(#|$)'
\nnameserver 127.0.0.53 #\u9ed8\u8ba4DNS\u914d\u7f6e
\noptions edns0 trust-ad
\nsearch .<\/p>\n
#\u4fee\u6539DNS\u89e3\u6790\u914d\u7f6e\u6587\u4ef6
\n[root@ubuntu-158 ~]# vim \/etc\/resolv.conf
\n[root@ubuntu-158 ~]# cat \/etc\/resolv.conf | grep -Ev '^(#|$)'
\nnameserver 10.0.0.2
\noptions edns0 trust-ad
\nsearch .<\/p>\n
#\u6d4b\u8bd5
\n[root@ubuntu-158 ~]# nslookup www.baidu.com
\nServer:10.0.0.2
\nAddress:10.0.0.2#53<\/p>\n
Non-authoritative answer:
\nwww.baidu.comcanonical name = www.a.shifen.com.
\nName:www.a.shifen.com
\nAddress: 110.242.69.21
\n…<\/p>\n
#\u91cd\u542f\u7f51\u7edc\u670d\u52a1
\n[root@ubuntu-158 ~]# netplan apply<\/p>\n
#\u67e5\u770b
\n[root@ubuntu-158 ~]# cat \/etc\/resolv.conf | grep -Ev '^(#|$)'
\nnameserver 127.0.0.53 #\u6587\u4ef6\u5185\u5bb9\u6062\u590d\u9ed8\u8ba4
\noptions edns0 trust-ad
\nsearch .<\/p>\n
\u76f4\u63a5\u4fee\u6539 \/etc\/resolv.conf \u6587\u4ef6，\u91cd\u542f\u7f51\u7edc\u670d\u52a1\u6216\u7cfb\u7edf\u540e，\u8be5\u6587\u4ef6\u4f1a\u88ab\u8fd8\u539f\u3002\u8fd9\u662f\u56e0\u4e3a systemd-resolved \u670d\u52a1\u4f1a\u52a8\u6001\u7ba1\u7406 DNS \u914d\u7f6e，\u5e76\u91cd\u65b0\u751f\u6210 \/etc\/resolv.conf\u3002<\/p>\n
#-\u65b9\u6cd51
\n#\u4fee\u6539\u8f6f\u94fe\u63a5\u6587\u4ef6\u6307\u5411,\u4fdd\u8bc1\u6c38\u4e45\u751f\u6548
\n[root@ubuntu-158 ~]# ll \/etc\/resolv.conf
\nlrwxrwxrwx 1 root root 39 Apr 16 2025 \/etc\/resolv.conf -> ..\/run\/systemd\/resolve\/stub-resolv.conf<\/p>\n
[root@ubuntu-158 ~]# rm -rf \/etc\/resolv.conf <\/p>\n
[root@ubuntu-158 ~]# ls \/run\/systemd\/resolve\/
\nio.systemd.Resolve io.systemd.Resolve.Monitor resolv.conf stub-resolv.conf
\n#resolv.conf：\u4f20\u7edfDNS\u914d\u7f6e
\n#stub-resolv.conf：systemd-resolved\u5b58\u6839\u914d\u7f6e（\u52a8\u6001\u751f\u6210），\u4e0d\u53ef\u76f4\u63a5\u7f16\u8f91\u7531\u670d\u52a1\u7ba1\u7406<\/p>\n
[root@ubuntu-158 ~]# ln -sv \/run\/systemd\/resolve\/resolv.conf \/etc\/resolv.conf
\n'\/etc\/resolv.conf' -> '\/run\/systemd\/resolve\/resolv.conf'<\/p>\n
[root@ubuntu-158 ~]# cat \/etc\/resolv.conf
\n…
\nnameserver 223.5.5.5
\nnameserver 8.8.8.8
\nsearch .<\/p>\n
[root@ubuntu-158 ~]# nslookup www.baidu.com
\nServer:223.5.5.5
\nAddress:223.5.5.5#53<\/p>\n
Non-authoritative answer:
\nwww.baidu.comcanonical name = www.a.shifen.com.
\nName:www.a.shifen.com
\nAddress: 220.181.111.232
\n… <\/p>\n
\u5982\u679c\u4e0d\u5728\u7f51\u5361\u914d\u7f6e\u6587\u4ef6\u4e2d\u8bbe\u7f6eDNS<\/p>\n
#\u4fee\u6539\u7f51\u5361\u914d\u7f6e，\u6ce8\u91ca\u6389DNS\u914d\u7f6e
\n[root@ubuntu-158 ~]# vim \/etc\/netplan\/eth0.yaml
\n[root@ubuntu-158 ~]# cat \/etc\/netplan\/eth0.yaml
\nnetwork:
\n version: 2
\n ethernets:
\n eth0:
\n #dhcp4: true
\n addresses: [10.0.0.158\/24]
\n gateway4: 10.0.0.2
\n nameservers:
\n search: [baidu.com]
\n #addresses: [223.5.5.5,8.8.8.8]<\/p>\n
#\u91cd\u542f\u7f51\u7edc\u670d\u52a1
\n[root@ubuntu-158 ~]# netplan apply <\/p>\n
#\u67e5\u770bDNS
\n…
\n# No DNS servers known.
\nsearch baidu.com<\/p>\n
#\u65e0\u6cd5\u4f7f\u7528DNS\u89e3\u6790\u670d\u52a1
\n[root@ubuntu-158 ~]# ping www.baidu.com
\nping: www.baidu.com: Temporary failure in name resolution<\/p>\n
[root@ubuntu-158 ~]# nslookup www.baidu.com
\n;; communications error to ::1#53: connection refused
\n;; communications error to ::1#53: connection refused
\n;; communications error to ::1#53: connection refused
\n;; communications error to 127.0.0.1#53: connection refused
\n;; no servers could be reached <\/p>\n
\u8bbe\u7f6e\u5168\u5c40DNS<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u9ed8\u8ba4\u60c5\u51b5\u4e0b，systemd-resolved \u4f1a\u8ba9 \/etc\/resolv.conf \u6307\u5411 127.0.0.53（\u672c\u5730\u5b58\u6839 DNS），\u6240\u6709 DNS \u67e5\u8be2\u5148\u7ecf\u8fc7 systemd-resolved，\u518d\u7531\u5b83\u8f6c\u53d1\u7ed9\u4e0a\u6e38 DNS（\u5982\u8bbe\u7f6e\u7684 223.5.5.5）\u3002<\/p>\n
#\u6b64\u65b9\u6cd5\u53ef\u4ee5\u4e0d\u7528\u5220\u9664\u8f6f\u8fde\u63a5
\n[root@ubuntu2204-150 netplan]# cat 50-cloud-init.yaml
\nnetwork:
\n ethernets:
\n ens33:
\n dhcp4: true
\n version: 2<\/p>\n
[root@ubuntu2204-150 netplan]# cat \/etc\/resolv.conf
\n…
\nnameserver 127.0.0.53
\noptions edns0 trust-ad
\nsearch localdomain<\/p>\n
[root@ubuntu2204-150 ~]# vim \/etc\/systemd\/resolved.conf
\n…
\nDNS=223.5.5.5 223.6.6.6
\nDNSStubListener=no #\u7981\u7528DNS\u5b58\u6839<\/p>\n
#\u91cd\u542f\u670d\u52a1
\n[root@ubuntu2204-150 ~]# systemctl start systemd-resolved.service<\/p>\n
#\u67e5\u770b
\n[root@ubuntu2204-150 ~]# cat \/etc\/resolv.conf
\n……
\nnameserver 223.5.5.5
\nnameserver 223.6.6.6
\nnameserver 10.0.0.2 #\u7f51\u5361\u914d\u7f6e\u4e2dDHCP\u81ea\u52a8\u5206\u914d
\nsearch localdomain<\/p>\n
#\u6d4b\u8bd5
\n[root@ubuntu2204-150 ~]# nslookup www.baidu.com
\nServer:223.5.5.5
\nAddress:223.5.5.5#53<\/p>\n
Non-authoritative answer:
\nwww.baidu.comcanonical name = www.a.shifen.com.
\nName:www.a.shifen.com
\nAddress: 220.181.111.232
\n… <\/p>\n
\u7f51\u5361\u8bbe\u5907\u914d\u7f6e\u6ce8\u91cadhcp\u624b\u52a8\u6dfb\u52a0<\/p>\n
[root@ubuntu2204-150 netplan]# cat 50-cloud-init.yaml
\nnetwork:
\n ethernets:
\n ens33:
\n #dhcp4: true
\n addresses: [10.0.0.150\/24]
\n gateway4: 114.114.114.114
\n nameservers:
\n addresses: [8.8.8.8]
\n version: 2<\/p>\n
#\u91cd\u542f\u7f51\u7edc\u670d\u52a1
\n[root@ubuntu2204-150 netplan]# netplan apply<\/p>\n
#\u67e5\u770b
\n[root@ubuntu2204-150 netplan]# cat \/etc\/resolv.conf
\n…
\nnameserver 223.5.5.5
\nnameserver 223.6.6.6
\nnameserver 8.8.8.8
\nsearch .<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0bind：(Berkeley Internet Name Domain) ，\u662f\u4e00\u6b3e\u5b9e\u73b0DNS\u670d\u52a1\u7684\u5f00\u653e\u6e90\u7801\u8f6f\u4ef6，\u7531\u4f2f\u514b\u5229\u5927\u5b66\u5f00\u53d1，\u80fd\u591f\u63d0\u4f9b\u53cc\u5411\u89e3\u6790，\u8f6c\u53d1，\u5b50\u57df\u6388\u6743，view \u7b49\u529f\u80fd，\u4f7f\u7528\u5e7f\u6cdb，\u76ee\u524dInternet\u4e0a\u534a\u6570\u4ee5\u4e0a\u7684DNS\u670d\u52a1\u5668\u90fd\u662f\u7531bind\u6765\u5b9e\u73b0\u7684\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0named（Name Daemon）\u662fbind\u6838\u5fc3\u5b88\u62a4\u8fdb\u7a0b，named\u9ed8\u8ba4\u4f1a\u5360\u7528TCP\u548cUDP\u768453\u7aef\u53e3， 953\u662f\u7ed9\u7ba1\u7406\u5de5\u5177\u4f7f\u7528\u7684\u3002<\/p>\n
[root@ubuntu-157 ~]# ss -tlpn
\nState Recv-Q Send-Q Local Address:Port Peer Address:Port Process
\nLISTEN 0 4096 127.0.0.53%lo:53 0.0.0.0:* users:(("systemd-resolve",pid=520,fd=15))
\nLISTEN 0 4096 0.0.0.0:22 0.0.0.0:* users:(("sshd",pid=1526,fd=3),("systemd",pid=1,fd=97))
\nLISTEN 0 4096 127.0.0.54:53 0.0.0.0:* users:(("systemd-resolve",pid=520,fd=17))
\nLISTEN 0 128 127.0.0.1:6010 0.0.0.0:* users:(("sshd-session",pid=1640,fd=9))
\nLISTEN 0 128 [::1]:6010 [::]:* users:(("sshd-session",pid=1640,fd=8))
\nLISTEN 0 4096 [::]:22 [::]:* users:(("sshd",pid=1526,fd=4),("systemd",pid=1,fd=98)) <\/p>\n
#\u5b89\u88c5
\n[root@ubuntu-157 ~]# apt install bind9 -y<\/p>\n
#\u542f\u52a8\u670d\u52a1
\n[root@ubuntu-157 ~]# systemctl start named.service <\/p>\n
#\u67e5\u770b
\n[root@ubuntu-157 ~]# ss -tlpn
\nState Recv-Q Send-Q Local Address:Port Peer Address:Port Process
\nLISTEN 0 4096 127.0.0.53%lo:53 0.0.0.0:* users:(("systemd-resolve",pid=520,fd=15))
\nLISTEN 0 4096 0.0.0.0:22 0.0.0.0:* users:(("sshd",pid=1526,fd=3),("systemd",pid=1,fd=253))
\nLISTEN 0 10 127.0.0.1:53 0.0.0.0:* users:(("named",pid=2231,fd=32))
\nLISTEN 0 10 127.0.0.1:53 0.0.0.0:* users:(("named",pid=2231,fd=30))
\nLISTEN 0 4096 127.0.0.54:53 0.0.0.0:* users:(("systemd-resolve",pid=520,fd=17))
\nLISTEN 0 5 127.0.0.1:953 0.0.0.0:* users:(("named",pid=2231,fd=47))
\nLISTEN 0 128 127.0.0.1:6010 0.0.0.0:* users:(("sshd-session",pid=1640,fd=9))
\nLISTEN 0 10 10.0.0.157:53 0.0.0.0:* users:(("named",pid=2231,fd=37))
\nLISTEN 0 10 10.0.0.157:53 0.0.0.0:* users:(("named",pid=2231,fd=36))
\nLISTEN 0 128 [::1]:6010 [::]:* users:(("sshd-session",pid=1640,fd=8))
\nLISTEN 0 4096 [::]:22 [::]:* users:(("sshd",pid=1526,fd=4),("systemd",pid=1,fd=254))
\nLISTEN 0 5 [::1]:953 [::]:* users:(("named",pid=2231,fd=48))
\nLISTEN 0 10 [::1]:53 [::]:* users:(("named",pid=2231,fd=40))
\nLISTEN 0 10 [::1]:53 [::]:* users:(("named",pid=2231,fd=41))
\nLISTEN 0 10 [fe80::20c:29ff:fe88:bdf8]%ens33:53 [::]:* users:(("named",pid=2231,fd=44))
\nLISTEN 0 10 [fe80::20c:29ff:fe88:bdf8]%ens33:53 [::]:* users:(("named",pid=2231,fd=45)) <\/p>\n
\u6d4b\u8bd5<\/p>\n
#\u7f51\u5361\u4e2d\u914d\u7f6e
\n[root@ubuntu-157 ~]# cat \/etc\/netplan\/50-cloud-init.yaml
\nnetwork:
\n version: 2
\n ethernets:
\n ens33:
\n #dhcp4: true
\n addresses: [10.0.0.157\/24]
\n gateway4: 10.0.0.2
\n nameservers:
\n addresses: [127.0.0.1]<\/p>\n
[root@ubuntu-157 ~]# cat \/etc\/resolv.conf
\n…
\nnameserver 127.0.0.53
\noptions edns0 trust-ad
\nsearch .<\/p>\n
[root@ubuntu-157 ~]# rm -rf \/etc\/resolv.conf
\n[root@ubuntu-157 ~]# ln -sv \/run\/systemd\/resolve\/resolv.conf \/etc\/resolv.conf
\n'\/etc\/resolv.conf' -> '\/run\/systemd\/resolve\/resolv.conf'
\n[root@ubuntu-157 ~]# ll \/etc\/resolv.conf
\nlrwxrwxrwx 1 root root 32 Oct 18 20:02 \/etc\/resolv.conf -> \/run\/systemd\/resolve\/resolv.conf<\/p>\n
#\u91cd\u542f\u7f51\u7edc\u670d\u52a1
\n[root@ubuntu-157 ~]# netplan apply <\/p>\n
\/\/\u53bb\u6389\u5168\u5c40\u914d\u7f6e，\u5982\u679c\u6709\u4fee\u6539\u5219\u5728\u8be5\u6587\u4ef6\u4e2d\u6ce8\u91ca\u6389DNS\u884c
\n\/\/[root@ubuntu-157 ~]# vim \/etc\/systemd\/resolved.conf
\n\/\/systemctl restart systemd-resolved.service<\/p>\n
#\u67e5\u770b
\n[root@ubuntu-157 ~]# cat \/etc\/resolv.conf
\n…
\nnameserver 127.0.0.1
\nsearch .<\/p>\n
[root@ubuntu-157 ~]# ss -unlp
\nState Recv-Q Send-Q Local Address:Port Peer Address:Port Process
\nUNCONN 0 0 10.0.0.157:53 0.0.0.0:* users:(("named",pid=2231,fd=35))
\nUNCONN 0 0 10.0.0.157:53 0.0.0.0:* users:(("named",pid=2231,fd=34))
\nUNCONN 0 0 127.0.0.1:53 0.0.0.0:* users:(("named",pid=2231,fd=29))
\nUNCONN 0 0 127.0.0.1:53 0.0.0.0:* users:(("named",pid=2231,fd=28))
\nUNCONN 0 0 127.0.0.54:53 0.0.0.0:* users:(("systemd-resolve",pid=520,fd=16))
\nUNCONN 0 0 127.0.0.53%lo:53 0.0.0.0:* users:(("systemd-resolve",pid=520,fd=14))
\nUNCONN 0 0 127.0.0.1:323 0.0.0.0:* users:(("chronyd",pid=991,fd=5))
\nUNCONN 0 0 [::1]:53 [::]:* users:(("named",pid=2231,fd=38))
\nUNCONN 0 0 [::1]:53 [::]:* users:(("named",pid=2231,fd=39))
\nUNCONN 0 0 [fe80::20c:29ff:fe88:bdf8]%ens33:53 [::]:* users:(("named",pid=2231,fd=42))
\nUNCONN 0 0 [fe80::20c:29ff:fe88:bdf8]%ens33:53 [::]:* users:(("named",pid=2231,fd=43))
\nUNCONN 0 0 [::1]:323 [::]:* users:(("chronyd",pid=991,fd=6)) <\/p>\n
#ubuntu\u6d4b\u8bd5
\n[root@ubuntu-157 ~]# nslookup www.baidu.com
\nServer:127.0.0.1
\nAddress:127.0.0.1#53<\/p>\n
Non-authoritative answer:
\nwww.baidu.comcanonical name = www.a.shifen.com.
\nName:www.a.shifen.com
\nAddress: 110.242.69.21
\n…<\/p>\n
[root@ubuntu-157 ~]# dig www.baidu.com @10.0.0.157<\/p>\n
; <<>> DiG 9.20.11-0ubuntu0.1-Ubuntu <<>> www.baidu.com @10.0.0.157
\n;; global options: +cmd
\n;; Got answer:
\n;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4726
\n;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1<\/p>\n
;; OPT PSEUDOSECTION:
\n; EDNS: version: 0, flags:; udp: 1232
\n; COOKIE: ac883733eda129f40100000068f386e0ca9b14d098b487e3 (good)
\n;; QUESTION SECTION:
\n;www.baidu.com.INA<\/p>\n
;; ANSWER SECTION:
\nwww.baidu.com.1200INCNAMEwww.a.shifen.com.
\nwww.a.shifen.com.120INA110.242.70.57
\nwww.a.shifen.com.120INA110.242.69.21<\/p>\n
;; Query time: 422 msec
\n;; SERVER: 10.0.0.157#53(10.0.0.157) (UDP)
\n;; WHEN: Sat Oct 18 20:24:00 CST 2025
\n;; MSG SIZE rcvd: 129<\/p>\n
[root@ubuntu-158 ~]# dig www.baidu.com @10.0.0.157<\/p>\n
; <<>> DiG 9.20.4-3ubuntu1.2-Ubuntu <<>> www.baidu.com @10.0.0.157
\n;; global options: +cmd
\n;; Got answer:
\n;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 18291
\n;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1<\/p>\n
;; OPT PSEUDOSECTION:
\n; EDNS: version: 0, flags:; udp: 1232
\n; COOKIE: 694b1d7f1aa01bbb0100000068f387263255b8670ea96b6b (good)
\n;; QUESTION SECTION:
\n;www.baidu.com.INA<\/p>\n
;; ANSWER SECTION:
\nwww.baidu.com.1130INCNAMEwww.a.shifen.com.
\nwww.a.shifen.com.50INA110.242.70.57
\nwww.a.shifen.com.50INA110.242.69.21<\/p>\n
;; Query time: 2 msec
\n;; SERVER: 10.0.0.157#53(10.0.0.157) (UDP)
\n;; WHEN: Sat Oct 18 20:25:09 CST 2025
\n;; MSG SIZE rcvd: 129<\/p>\n
#rocky\u6d4b\u8bd5
\n#\u914d\u7f6eDNS\u89e3\u6790\u670d\u52a1
\n[root@rocky-154 ~]#cat \/etc\/resolv.conf
\n# Generated by NetworkManager
\nsearch localdomain
\nnameserver 10.0.0.2<\/p>\n
[root@rocky8-153 ~]#vim \/etc\/resolv.conf
\nnameserver 10.0.0.157<\/p>\n
[root@rocky8-153 ~]#nslookup www.baidu.com
\nServer:10.0.0.157
\nAddress:10.0.0.157#53<\/p>\n
Non-authoritative answer:
\nwww.baidu.comcanonical name = www.a.shifen.com.
\nName:www.a.shifen.com
\nAddress: 110.242.69.21
\n… <\/p>\n
\u4f8b\u5982：ubuntu 10.0.0.157\u4e3b\u673a\/etc\/resolv.conf\u6587\u4ef6\u914d\u7f6e\u662fdns 127.0.0.53:53\u2014\u2014systemd-resolved.service\u670d\u52a1\u7ba1\u7406，\u5982\u679c\u505c\u6b62\u670d\u52a1，127.0.0.53:53\u6ca1\u6709\u670d\u52a1\u76d1\u542c，\u5219dig www.baidu.com\u9ed8\u8ba4\u627e\/etc\/resolv.conf\u6587\u4ef6\u4e0b\u914d\u7f6e\u7684dns\u8bf7\u6c42\u89e3\u6790\u5219\u5931\u8d25，bind9\u670d\u52a1\u76d1\u542c127.0.0.1:53\u300110.0.0.157:53\u7aef\u53e3，\u8981\u5c06\/etc\/resolv.conf\u6587\u4ef6\u4e2d\u7684\u914d\u7f6e\u5207\u6362\u81f3127.0.0.1\u300110.0.0.157，\u4f46\u662f\u6587\u4ef6\u4e0d\u53d7\u7f51\u5361\u63a7\u5236，\u56e0\u6b64\u9700\u8981\u5220\u9664\u6587\u4ef6\u91cd\u65b0\u505a\u8f6f\u94fe\u63a5\u5904\u7406\u3002\u5bf9\u5e94\u7684\u6211\u4eec\u5728\u5176\u4ed6\u4e3b\u673a\u4e0a\/etc\/resolv.conf\u6587\u4ef6\u4e0b\u914d\u7f6e10.0.0.157\u540c\u6837\u4e5f\u53ef\u4ee5\u5b9e\u73b0DNS\u89e3\u6790\u3002<\/p>\n
bind\u5185\u7f6e13\u4e2a\u6839\u57df\u540d\u670d\u52a1\u5668\u5730\u5740，\u5199\u5728\u6587\u4ef6\u4e2d<\/p>\n
[root@ubuntu-157 ~]# cat \/etc\/bind\/named.conf.default-zones
\n\/\/ prime the server with knowledge of the root servers
\nzone "." {
\ntype hint;
\nfile "\/usr\/share\/dns\/root.hints";
\n};
\n…<\/p>\n
[root@ubuntu-157 ~]# cat \/usr\/share\/dns\/root.hints | grep -v '^;'
\n. 3600000 NS A.ROOT-SERVERS.NET.
\nA.ROOT-SERVERS.NET. 3600000 A 198.41.0.4
\nA.ROOT-SERVERS.NET. 3600000 AAAA 2001:503:ba3e::2:30
\n. 3600000 NS B.ROOT-SERVERS.NET.
\nB.ROOT-SERVERS.NET. 3600000 A 170.247.170.2
\nB.ROOT-SERVERS.NET. 3600000 AAAA 2801:1b8:10::b
\n. 3600000 NS C.ROOT-SERVERS.NET.
\nC.ROOT-SERVERS.NET. 3600000 A 192.33.4.12
\nC.ROOT-SERVERS.NET. 3600000 AAAA 2001:500:2::c
\n. 3600000 NS D.ROOT-SERVERS.NET.
\nD.ROOT-SERVERS.NET. 3600000 A 199.7.91.13
\nD.ROOT-SERVERS.NET. 3600000 AAAA 2001:500:2d::d
\n. 3600000 NS E.ROOT-SERVERS.NET.
\nE.ROOT-SERVERS.NET. 3600000 A 192.203.230.10
\nE.ROOT-SERVERS.NET. 3600000 AAAA 2001:500:a8::e
\n. 3600000 NS F.ROOT-SERVERS.NET.
\nF.ROOT-SERVERS.NET. 3600000 A 192.5.5.241
\nF.ROOT-SERVERS.NET. 3600000 AAAA 2001:500:2f::f
\n. 3600000 NS G.ROOT-SERVERS.NET.
\nG.ROOT-SERVERS.NET. 3600000 A 192.112.36.4
\nG.ROOT-SERVERS.NET. 3600000 AAAA 2001:500:12::d0d
\n. 3600000 NS H.ROOT-SERVERS.NET.
\nH.ROOT-SERVERS.NET. 3600000 A 198.97.190.53
\nH.ROOT-SERVERS.NET. 3600000 AAAA 2001:500:1::53
\n. 3600000 NS I.ROOT-SERVERS.NET.
\nI.ROOT-SERVERS.NET. 3600000 A 192.36.148.17
\nI.ROOT-SERVERS.NET. 3600000 AAAA 2001:7fe::53
\n. 3600000 NS J.ROOT-SERVERS.NET.
\nJ.ROOT-SERVERS.NET. 3600000 A 192.58.128.30
\nJ.ROOT-SERVERS.NET. 3600000 AAAA 2001:503:c27::2:30
\n. 3600000 NS K.ROOT-SERVERS.NET.
\nK.ROOT-SERVERS.NET. 3600000 A 193.0.14.129
\nK.ROOT-SERVERS.NET. 3600000 AAAA 2001:7fd::1
\n. 3600000 NS L.ROOT-SERVERS.NET.
\nL.ROOT-SERVERS.NET. 3600000 A 199.7.83.42
\nL.ROOT-SERVERS.NET. 3600000 AAAA 2001:500:9f::42
\n. 3600000 NS M.ROOT-SERVERS.NET.
\nM.ROOT-SERVERS.NET. 3600000 A 202.12.27.33
\nM.ROOT-SERVERS.NET. 3600000 AAAA 2001:dc3::35<\/p>\n
\u5176\u4ed6\u673a\u5668DNS\u6307\u5411\u672c\u673a<\/p>\n
[root@rocky-154 ~]#hostname -I
\n10.0.0.154 <\/p>\n
[root@rocky-154 ~]#cat \/etc\/resolv.conf
\n# Generated by NetworkManager
\nsearch localdomain
\nnameserver 10.0.0.157<\/p>\n
[root@rocky-154 ~]#dig www.baidu.com<\/p>\n
; <<>> DiG 9.11.36-RedHat-9.11.36-16.el8_10.4 <<>> www.baidu.com
\n;; global options: +cmd
\n;; Got answer:
\n;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21290
\n;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1<\/p>\n
;; OPT PSEUDOSECTION:
\n; EDNS: version: 0, flags:; udp: 1232
\n; COOKIE: 8d73d3552b84bed60100000068f39a70039beadd5ee9208f (good)
\n;; QUESTION SECTION:
\n;www.baidu.com.INA<\/p>\n
;; ANSWER SECTION:
\nwww.baidu.com.1152INCNAMEwww.a.shifen.com.
\nwww.a.shifen.com.120INA220.181.111.1
\nwww.a.shifen.com.120INA220.181.111.232<\/p>\n
;; Query time: 811 msec
\n;; SERVER: 10.0.0.157#53(10.0.0.157)
\n;; WHEN: Sat Oct 18 21:47:28 CST 2025
\n;; MSG SIZE rcvd: 129<\/p>\n
[root@ubuntu-157 ~]# dpkg -L bind9
\n……
\n\/etc\/bind
\n\/etc\/bind\/bind.keys
\n\/etc\/bind\/db.0 #db.* \u540d\u5177\u4f53\u89e3\u6790\u89c4\u5219\u6587\u4ef6
\n\/etc\/bind\/db.127
\n\/etc\/bind\/db.255
\n\/etc\/bind\/db.empty
\n\/etc\/bind\/db.local
\n\/etc\/bind\/named.conf #\u4e3b\u914d\u7f6e\u6587\u4ef6
\n\/etc\/bind\/named.conf.default-zones #\u4e2d\u95f4\u914d\u7f6e\u6587\u4ef6，\u8be5\u6587\u4ef6\u4e2d\u5b9a\u4e49\u4e86\u57df\u540d\u548c\u5177\u4f53\u89e3\u6790\u89c4\u5219\u6587\u4ef6\u7684\u5bf9\u5e94\u5173\u7cfb
\n\/etc\/bind\/named.conf.local #\u4e2d\u95f4\u914d\u7f6e\u6587\u4ef6，\u5f15\u7528\/etc\/bind\/zones.rfc1918，\u88ab\u6ce8\u91ca
\n\/etc\/bind\/named.conf.options #bind\u914d\u7f6e\u9879
\n\/etc\/bind\/zones.rfc1918 #\u4e2d\u95f4\u914d\u7f6e\u6587\u4ef6，\u8be5\u6587\u4ef6\u4e2d\u5b9a\u4e49\u4e86\u57df\u540d\u548c\u5177\u4f53\u89e3\u6790\u89c4\u5219\u6587\u4ef6\u7684\u5bf9\u5e94\u5173\u7cfb <\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260304211746-69a8a17a258a4.png\")
<\/p>\n
[root@ubuntu-157 ~]# cat \/etc\/bind\/named.conf
\n\/\/ This is the primary configuration file for the BIND DNS server named.
\n\/\/
\n\/\/ Please read \/usr\/share\/doc\/bind9\/README.Debian for information on the
\n\/\/ structure of BIND configuration files in Debian, *BEFORE* you customize
\n\/\/ this configuration file.
\n\/\/
\n\/\/ If you are just adding zones, please do that in \/etc\/bind\/named.conf.local<\/p>\n
include "\/etc\/bind\/named.conf.options";
\ninclude "\/etc\/bind\/named.conf.local"; #\u4e0d\u5173\u6ce8
\ninclude "\/etc\/bind\/named.conf.default-zones";<\/p>\n
#\u5e2e\u52a9
\nman named.conf<\/p>\n
[root@ubuntu-157 ~]# cat \/etc\/bind\/named.conf.local
\n\/\/
\n\/\/ Do any local configuration here
\n\/\/<\/p>\n
\/\/ Consider adding the 1918 zones here, if they are not used in your
\n\/\/ organization
\n\/\/include "\/etc\/bind\/zones.rfc1918"; <\/p>\n
[root@ubuntu-157 ~]# cat \/etc\/bind\/named.conf.options
\noptions {
\ndirectory "\/var\/cache\/bind";<\/p>\n
\/\/ If there is a firewall between you and nameservers you want
\n\/\/ to talk to, you may need to fix the firewall to allow multiple
\n\/\/ ports to talk. See http:\/\/www.kb.cert.org\/vuls\/id\/800113<\/p>\n
\/\/ If your ISP provided one or more IP addresses for stable
\n\/\/ nameservers, you probably want to use them as forwarders.
\n\/\/ Uncomment the following block, and insert the addresses replacing
\n\/\/ the all-0's placeholder.<\/p>\n
\/\/ forwarders {
\n\/\/ 0.0.0.0;
\n\/\/ };<\/p>\n
\/\/========================================================================
\n\/\/ If BIND logs error messages about the root key being expired,
\n\/\/ you will need to update your keys. See https:\/\/www.isc.org\/bind-keys
\n\/\/========================================================================
\ndnssec-validation auto;<\/p>\n
listen-on-v6 { any; };
\n};<\/p>\n
[root@rocky8-153 ~]#cat \/etc\/named.conf
\n\/\/
\n\/\/ named.conf
\n\/\/
\n\/\/ Provided by Red Hat bind package to configure the ISC BIND named(8) DNS
\n\/\/ server as a caching only nameserver (as a localhost DNS resolver only).
\n\/\/
\n\/\/ See \/usr\/share\/doc\/bind*\/sample\/ for example named configuration files.
\n\/\/<\/p>\n
options {
\nlisten-on port 53 { 127.0.0.1; };
\nlisten-on-v6 port 53 { ::1; };
\ndirectory "\/var\/named";
\ndump-file "\/var\/named\/data\/cache_dump.db";
\nstatistics-file "\/var\/named\/data\/named_stats.txt";
\nmemstatistics-file "\/var\/named\/data\/named_mem_stats.txt";
\nsecroots-file"\/var\/named\/data\/named.secroots";
\nrecursing-file"\/var\/named\/data\/named.recursing";
\nallow-query { localhost; };<\/p>\n
\/*
\n – If you are building an AUTHORITATIVE DNS server, do NOT enable recursion.
\n – If you are building a RECURSIVE (caching) DNS server, you need to enable
\n recursion.
\n – If your recursive DNS server has a public IP address, you MUST enable access
\n control to limit queries to your legitimate users. Failing to do so will
\n cause your server to become part of large scale DNS amplification
\n attacks. Implementing BCP38 within your network would greatly
\n reduce such attack surface
\n*\/
\nrecursion yes;<\/p>\n
dnssec-enable yes;
\ndnssec-validation yes;<\/p>\n
managed-keys-directory "\/var\/named\/dynamic";<\/p>\n
pid-file "\/run\/named\/named.pid";
\nsession-keyfile "\/run\/named\/session.key";<\/p>\n
\/* https:\/\/fedoraproject.org\/wiki\/Changes\/CryptoPolicy *\/
\ninclude "\/etc\/crypto-policies\/back-ends\/bind.config";
\n};<\/p>\n
logging {
\n channel default_debug {
\n file "data\/named.run";
\n severity dynamic;
\n };
\n};<\/p>\n
zone "." IN {
\ntype hint;
\nfile "named.ca";
\n};<\/p>\n
include "\/etc\/named.rfc1912.zones";
\ninclude "\/etc\/named.root.key";<\/p>\n
\u8be5\u6587\u4ef6\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u90e8\u5206\u5185\u5bb9，\u9ed8\u8ba4\u53ea\u6709\u5168\u5c40\u914d\u7f6e\u90e8\u5206<\/p>\n
| \u914d\u7f6e<\/td>\n | \u914d\u7f6e\u5b57\u6bb5<\/td>\n | \n \u5907\u6ce8<\/p>\n<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| \u5168\u5c40\u914d\u7f6e<\/td>\n | options{}；<\/td>\n | \u5168\u5c40\u914d\u7f6e\u9009\u9879<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| \u65e5\u5fd7\u5b50\u7cfb\u7edf\u914d\u7f6e<\/td>\n | logging{}；<\/td>\n | \u8fd0\u884c\u65e5\u5fd7<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| \u7f51\u7edc\u81ea\u5b9a\u4e49\u96c6\u5408<\/td>\n | acl<\/td>\n | \u5c06\u67d0\u4e2a\u7f51\u6bb5\u6216\u67d0\u4e2a\u5177\u4f53IP\u5730\u5740\u5b9a\u4e49\u5728\u4e00\u4e2a\u96c6\u5408\u91cc\u9762<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| \u89c6\u56fe<\/td>\n | view<\/td>\n | \u914d\u5408acl\u5c06\u4e0d\u540c\u7684\u8bf7\u6c42\u6765\u6e90\u7528\u4e0d\u540c\u7684\u89e3\u6790\u89c4\u5219\u8fd4\u56de，\u5b9e\u73b0\u667a\u80fdDNS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n #\u5e38\u7528\u5168\u5c40\u914d\u7f6e\u9009\u9879 #\u6b64\u914d\u7f6e\u8868\u793aDNS\u670d\u52a1\u53ea\u76d1\u542c\u4e86\u672c\u673a127.0.0.1\u768453\u7aef\u53e3，\u5982\u679c\u5bf9\u5916\u63d0\u4f9bDNS\u670d\u52a1，\u53ef\u4ee5\u5c06\u6b64\u884c\u6ce8\u91ca\u6216\u503c\u6539\u6210any #\u76d1\u542cIPV6\u768453\u7aef\u53e3，\u914d\u7f6e\u65b9\u6cd5\u540c\u4e0a #\u76d1\u542c\u672c\u673a\u6240\u6709IPV6\u5730\u5740，\u4e0d\u60f3\u76d1\u542cIPV6\u5730\u5740，\u53ef\u4ee5\u5c06 any \u6539\u6210 none #\u6b64\u914d\u7f6e\u8868\u793a\u4ec5\u672c\u673a\u53ef\u4ee5\u4f7f\u7528DNS\u670d\u52a1\u7684\u89e3\u6790\u67e5\u8be2\u529f\u80fd，\u5982\u679c\u5bf9\u5916\u63d0\u4f9bDNS\u670d\u52a1，\u53ef\u4ee5\u5c06\u6b64\u884c\u6ce8\u91ca\u6216\u503c\u6539\u6210any #\u662f\u5426\u542f\u7528\u52a0\u5bc6\u9a8c\u8bc1，\u5728\u4f7f\u7528\u8f6c\u53d1\u7684\u65f6\u5019，\u5c06\u6b64\u9879\u6539\u4e3a no #\u8f6c\u53d1\u670d\u52a1\u5668 }; <\/p>\n \u4e2d\u95f4\u914d\u7f6e\u6587\u4ef6<\/h5>\nzone "ZONE_NAME" IN { #IN \u53ef\u4ee5\u7701\u7565\u4e0d\u5199 #\u8be5\u6587\u4ef6\u4e2d\u5b9a\u4e49\u4e86\u8981\u89e3\u6790\u7684\u57df\u540d\u4e0e\u5177\u4f53\u89e3\u6790\u89c4\u5219\u4e4b\u95f4\u7684\u5bf9\u5e94\u5173\u7cfb<\/p>\n [root@ubuntu-157 ~]# cat \/etc\/bind\/named.conf.default-zones \/\/ be authoritative for the localhost forward and reverse zones, and for zone "localhost" { zone "127.in-addr.arpa" { zone "0.in-addr.arpa" { zone "255.in-addr.arpa" { allow\u8bbf\u95ee\u63a7\u5236\u6307\u4ee4<\/h5>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728named\u914d\u7f6e\u4e2d\u6709\u56db\u4e2aallow\u5f00\u5934\u7684\u5b57\u6bb5，\u4e3b\u8981\u7528\u6765\u5b9e\u73b0\u8bbf\u95ee\u63a7\u5236\u3002<\/p>\n
|
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260304211746-69a8a17a44c53.png\")
<\/p>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260304211746-69a8a17a9e997.png\")
<\/p>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260304211746-69a8a17ab5c0a.png\")
<\/p>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260304211747-69a8a17b066bd.png\")
<\/p>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260304211747-69a8a17b34d1b.png\")
<\/p>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260304211747-69a8a17b68d38.png\")
<\/p>\n","protected":false},"excerpt":{"rendered":"