![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418182253-6802987d38674.png\")
<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0DNS（Domain Name System）\u662f\u4e92\u8054\u7f51\u4e0a\u7684\u4e00\u9879\u670d\u52a1，\u5b83\u4f5c\u4e3a\u5c06\u57df\u540d\u548cIP\u5730\u5740\u76f8\u4e92\u6620\u5c04\u7684\u4e00\u4e2a\u5206\u5e03\u5f0f \u6570\u636e\u5e93，\u80fd\u591f\u4f7f\u4eba\u66f4\u65b9\u4fbf\u7684\u8bbf\u95ee\u4e92\u8054\u7f51\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0DNS\u7cfb\u7edf\u4f7f\u7528\u7684\u662f\u7f51\u7edc\u7684\u67e5\u8be2，\u90a3\u4e48\u81ea\u7136\u9700\u8981\u6709\u76d1\u542c\u7684port\u3002DNS\u4f7f\u7528\u7684\u662f53\u7aef\u53e3， \u5728\/etc\/services（\u641c\u7d22domain）\u8fd9\u4e2a\u6587\u4ef6\u4e2d\u80fd\u770b\u5230\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u901a\u5e38DNS\u662f\u4ee5UDP\u8fd9\u4e2a\u8f83\u5feb\u901f\u7684\u6570\u636e\u4f20\u8f93\u534f\u8bae\u6765\u67e5 \u8be2\u7684，\u4f46\u662f\u6ca1\u6709\u67e5\u8be2\u5230\u5b8c\u6574\u7684\u4fe1\u606f\u65f6，\u5c31\u4f1a\u518d\u6b21\u4ee5TCP\u8fd9\u4e2a\u534f\u8bae\u6765\u91cd\u65b0\u67e5\u8be2\u3002\u6240\u4ee5\u542f\u52a8DNS\u65f6，\u4f1a\u540c\u65f6 \u542f\u52a8TCP\u4ee5\u53caUDP\u7684port53\u3002<\/p>\n
\u7531\u4e8e\u56e0\u7279\u7f51\u7684\u7528\u6237\u6570\u91cf\u8f83\u591a，\u6240\u4ee5\u56e0\u7279\u7f51\u5728\u547d\u540d\u65f6\u91c7\u7528\u7684\u662f\u5c42\u6b21\u6811\u72b6\u7ed3\u6784\u7684\u547d\u540d\u65b9\u6cd5\u3002\u4efb\u4f55\u4e00\u4e2a\u8fde\u63a5\u5728 \u56e0\u7279\u7f51\u4e0a\u7684\u4e3b\u673a\u6216\u8def\u7531\u5668<\/p>\n
\u57df\u540d\u53ea\u662f\u903b\u8f91\u6982\u5ff5，\u5e76\u4e0d\u4ee3\u8868\u8ba1\u7b97\u673a\u6240\u5728\u7684\u7269\u7406\u5730\u70b9\u3002\u57df\u540d\u53ef\u5206\u4e3a\u4e09\u5927\u7c7b：<\/p>\n
\u56fd\u5bb6\u9876\u7ea7\u57df\u540d：\u91c7\u7528ISO3166\u7684\u89c4\u5b9a\u3002\u5982：cn\u4ee3\u8868\u4e2d\u56fd，us\u4ee3\u8868\u7f8e\u56fd，uk\u4ee3\u8868\u82f1\u56fd，\u7b49\u7b49\u3002\u56fd\u5bb6\u57df \u540d\u53c8\u5e38\u8bb0\u4e3accTLD(country code top-level domains，cc\u8868\u793a\u56fd\u5bb6\u4ee3\u7801contry-code)\u3002<\/p>\n
\u901a\u7528\u9876\u7ea7\u57df\u540d：\u6700\u5e38\u89c1\u7684\u901a\u7528\u9876\u7ea7\u57df\u540d\u67097\u4e2a，\u5373：com(\u516c\u53f8\u4f01\u4e1a)，net(\u7f51\u7edc\u670d\u52a1\u673a\u6784)，org(\u975e\u8425 \u5229\u7ec4\u7ec7)，int(\u56fd\u9645\u7ec4\u7ec7)，gov(\u7f8e\u56fd\u7684\u653f\u5e9c\u90e8\u95e8)，mil(\u7f8e\u56fd\u7684\u519b\u4e8b\u90e8\u95e8)\u3002<\/p>\n
\u57fa\u7840\u7ed3\u6784\u57df\u540d(infrastructure domain)：\u8fd9\u79cd\u9876\u7ea7\u57df\u540d\u53ea\u6709\u4e00\u4e2a，\u5373arpa，\u7528\u4e8e\u53cd\u5411\u57df\u540d\u89e3\u6790，\u56e0 \u6b64\u79f0\u4e3a\u53cd\u5411\u57df\u540d\u3002<\/p>\n
<\/p>\n
\u6839\u57df\u540d\u670d\u52a1\u5668：\u6700\u9ad8\u5c42\u6b21\u7684\u57df\u540d\u670d\u52a1\u5668,\u6240\u6709\u7684\u6839\u57df\u540d\u670d\u52a1\u5668\u90fd\u77e5\u9053\u6240 \u6709\u7684\u9876\u7ea7\u57df\u540d\u670d\u52a1\u5668\u7684\u57df\u540d\u548cIP\u5730\u5740.\u82e5\u8981\u5bf9\u56e0\u7279\u7f51\u4e0a\u4efb\u4f55\u4e00\u4e2a\u57df \u540d\u8fdb\u884c\u89e3\u6790，\u53ea\u8981\u81ea\u5df1\u65e0\u6cd5\u89e3\u6790，\u5c31\u9996\u5148\u6c42\u52a9\u6839\u57df\u540d\u670d\u52a1\u5668\u6839\u57df\u540d\u670d\u52a1\u5668\u5e76\u4e0d\u76f4\u63a5\u628a\u5f85\u67e5\u8be2\u7684\u57df\u540d\u76f4\u63a5\u89e3\u6790\u51faIP\u5730\u5740，\u800c\u662f\u544a\u8bc9\u672c\u5730\u57df\u540d\u670d\u52a1\u5668\u4e0b\u4e00 \u6b65\u5e94\u5f53\u627e\u54ea\u4e00\u4e2a\u9876\u7ea7\u57df\u540d\u670d\u52a1\u5668\u8fdb\u884c\u67e5\u8be2.<\/p>\n
\u9876\u7ea7\u57df\u540d\u670d\u52a1\u5668：\u8d1f\u8d23\u7ba1\u7406\u5728\u8be5\u9876\u7ea7\u57df\u540d\u670d\u52a1\u5668\u6ce8\u518c\u7684\u4e8c\u7ea7\u57df\u540d\u3002<\/p>\n
\u6743\u9650\u57df\u540d\u670d\u52a1\u5668：\u8d1f\u8d23\u4e00\u4e2a\u201c\u533a\u201d\u7684\u57df\u540d\u670d\u52a1\u5668\u3002<\/p>\n
\u672c\u5730\u57df\u540d\u670d\u52a1\u5668：\u672c\u5730\u57df\u540d\u670d\u52a1\u5668\u4e0d\u5c5e\u4e8e\u57df\u540d\u670d\u52a1\u5668\u7684\u5c42\u6b21\u7ed3\u6784，\u4f46\u662f\u5b83\u5bf9\u57df\u540d\u7cfb\u7edf\u975e\u5e38\u91cd\u8981\u3002\u5f53 \u4e00\u4e2a\u4e3b\u673a\u53d1\u51faDNS\u67e5\u8be2\u8bf7\u6c42\u65f6，\u8fd9\u4e2a\u67e5\u8be2\u8bf7\u6c42\u62a5\u6587\u5c31\u53d1\u9001\u7ed9\u672c\u5730\u57df\u540d\u670d\u52a1\u5668\u3002<\/p>\n
\u4e3b\u4eceDNS\u670d\u52a1\u5668：\u4e3a\u4e86\u63d0\u9ad8\u57df\u540d\u670d\u52a1\u5668\u7684\u53ef\u9760\u6027，DNS\u57df\u540d\u670d\u52a1\u5668\u90fd\u628a\u6570\u636e\u590d\u5236\u5230\u51e0\u4e2a\u57df\u540d\u670d\u52a1\u5668 \u6765\u4fdd\u5b58，\u5176\u4e2d\u7684\u4e00\u4e2a\u5c31\u662f\u4e3bDNS\u670d\u52a1\u5668（Master name server），\u8d1f\u8d23\u89e3\u6790\u81f3\u5c11\u4e00\u4e2a\u57df\u3002\u5176\u4ed6\u7684 \u662f\u8f85\u52a9（\u4ece）DNS\u670d\u52a1\u5668（Slave name server）：\u8d1f\u8d23\u89e3\u6790\u81f3\u5c11\u4e00\u4e2a\u57df，\u662f\u4e3bDNS\u670d\u52a1\u5668\u7684\u8f85 \u52a9\u3002\u5f53\u4e3b\u57df\u540d\u670d\u52a1\u5668\u51fa\u6545\u969c\u65f6，\u8f85\u52a9\u57df\u540d\u670d\u52a1\u5668\u53ef\u4ee5\u4fdd\u8bc1DNS\u7684\u67e5\u8be2\u5de5\u4f5c\u4e0d\u4f1a\u4e2d\u65ad\u3002\u4e3b\u57df\u540d\u670d\u52a1\u5668 \u5b9a\u671f\u628a\u6570\u636e\u590d\u5236\u5230\u8f85\u52a9\u57df\u540d\u670d\u52a1\u5668\u4e2d，\u800c\u66f4\u6539\u6570\u636e\u53ea\u80fd\u5728\u4e3b\u57df\u540d\u670d\u52a1\u5668\u4e2d\u8fdb\u884c\u3002\u8fd9\u6837\u5c31\u4fdd\u8bc1\u4e86\u6570\u636e \u7684\u4e00\u81f4\u6027\u3002<\/p>\n
\u7f13\u5b58DNS\u670d\u52a1\u5668：\u4e0d\u8d1f\u8d23\u89e3\u6790\u57df，\u53ea\u662f\u7f13\u5b58\u57df\u540d\u89e3\u6790\u7684\u7ed3\u679c\u3002<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418182253-6802987d566b5.png\")
<\/p>\n
\u00a0<\/p>\n
DNS\u89e3\u6790\u65b9\u5f0f
\n\u6b63\u5411\u89e3\u6790：\u5c06FQDN—–>IP
\n\u53cd\u5411\u89e3\u6790：\u5c06IP—–>FQDN
\n 1\u3001\u5728\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165www . qq .com \u57df\u540d，\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u5148\u68c0\u67e5\u81ea\u5df1\u672c\u5730\u7684hosts\u6587\u4ef6\u662f\u5426\u6709\u8fd9\u4e2a\u7f51
\n\u5740\u6620\u5c04\u5173\u7cfb，\u5982\u679c\u6709，\u5c31\u5148\u8c03\u7528\u8fd9\u4e2aIP\u5730\u5740\u6620\u5c04，\u5b8c\u6210\u57df\u540d\u89e3\u6790\u3002
\n2\u3001\u5982\u679chosts\u91cc\u6ca1\u6709\u8fd9\u4e2a\u57df\u540d\u7684\u6620\u5c04，\u5219\u67e5\u627e\u672c\u5730DNS\u89e3\u6790\u5668\u7f13\u5b58，\u662f\u5426\u6709\u8fd9\u4e2a\u7f51\u5740\u6620\u5c04\u5173\u7cfb，
\n\u5982\u679c\u6709，\u76f4\u63a5\u8fd4\u56de，\u5b8c\u6210\u57df\u540d\u89e3\u6790\u3002
\n3\u3001\u5982\u679chosts\u4e0e\u672c\u5730DNS\u89e3\u6790\u5668\u7f13\u5b58\u90fd\u6ca1\u6709\u76f8\u5e94\u7684\u7f51\u5740\u6620\u5c04\u5173\u7cfb，\u9996\u5148\u4f1a\u627eTCP\/IP\u53c2\u6570\u4e2d\u8bbe\u7f6e\u7684
\n\u9996\u9009DNS\u670d\u52a1\u5668，\u5728\u6b64\u6211\u4eec\u53eb\u5b83\u672c\u5730DNS\u670d\u52a1\u5668，\u6b64\u670d\u52a1\u5668\u6536\u5230\u67e5\u8be2\u65f6，\u5982\u679c\u8981\u67e5\u8be2\u7684\u57df\u540d，\u5305
\n\u542b\u5728\u672c\u5730\u914d\u7f6e\u533a\u57df\u8d44\u6e90\u4e2d，\u5219\u8fd4\u56de\u89e3\u6790\u7ed3\u679c\u7ed9\u5ba2\u6237\u673a，\u5b8c\u6210\u57df\u540d\u89e3\u6790，\u6b64\u89e3\u6790\u5177\u6709\u6743\u5a01\u6027\u3002
\n4\u3001\u5982\u679c\u8981\u67e5\u8be2\u7684\u57df\u540d，\u4e0d\u7531\u672c\u5730DNS\u670d\u52a1\u5668\u533a\u57df\u89e3\u6790，\u4f46\u8be5\u670d\u52a1\u5668\u5df2\u7f13\u5b58\u4e86\u6b64\u7f51\u5740\u6620\u5c04\u5173\u7cfb，\u5219
\n\u8c03\u7528\u8fd9\u4e2aIP\u5730\u5740\u6620\u5c04，\u5b8c\u6210\u57df\u540d\u89e3\u6790，\u6b64\u89e3\u6790\u4e0d\u5177\u6709\u6743\u5a01\u6027\u3002
\n5\u3001\u5982\u679c\u672c\u5730DNS\u670d\u52a1\u5668\u672c\u5730\u533a\u57df\u6587\u4ef6\u4e0e\u7f13\u5b58\u89e3\u6790\u90fd\u5931\u6548，\u5219\u6839\u636e\u672c\u5730DNS\u670d\u52a1\u5668\u7684\u8bbe\u7f6e（\u662f\u5426\u8bbe
\n\u7f6e\u8f6c\u53d1\u5668）\u8fdb\u884c\u67e5\u8be2，\u5982\u679c\u672a\u7528\u8f6c\u53d1\u6a21\u5f0f，\u672c\u5730DNS\u5c31\u628a\u8bf7\u6c42\u53d1\u81f313\u53f0\u6839DNS，\u6839DNS\u670d\u52a1\u5668\u6536
\n\u5230\u8bf7\u6c42\u540e\u4f1a\u5224\u65ad\u8fd9\u4e2a\u57df\u540d(.com)\u662f\u8c01\u6765\u6388\u6743\u7ba1\u7406，\u5e76\u4f1a\u8fd4\u56de\u4e00\u4e2a\u8d1f\u8d23\u8be5\u9876\u7ea7\u57df\u540d\u670d\u52a1\u5668\u7684\u4e00\u4e2aIP\u3002
\n\u672c\u5730DNS\u670d\u52a1\u5668
\n\u6536\u5230IP\u4fe1\u606f\u540e，\u5c06\u4f1a\u8054\u7cfb\u8d1f\u8d23.com\u57df\u7684\u8fd9\u53f0\u670d\u52a1\u5668\u3002\u8fd9\u53f0\u8d1f\u8d23.com\u57df\u7684\u670d\u52a1\u5668\u6536\u5230\u8bf7\u6c42\u540e，\u5982\u679c
\n\u81ea\u5df1\u65e0\u6cd5\u89e3\u6790，\u5b83\u5c31\u4f1a\u627e\u4e00\u4e2a\u7ba1\u7406qq.com\u7684DNS\u670d\u52a1\u5668\u5730\u5740\u7ed9\u672c\u5730DNS\u670d\u52a1\u5668\u3002\u5f53\u672c\u5730DNS\u670d\u52a1
\n\u5668\u6536\u5230\u8fd9\u4e2a\u5730\u5740\u540e，\u5c31\u4f1a\u627eqq.com\u57df\u670d\u52a1\u5668，\u91cd\u590d\u4e0a\u9762\u7684\u52a8\u4f5c，\u8fdb\u884c\u67e5\u8be2，\u76f4\u81f3\u627e\u5230www . qq
\n.com\u4e3b\u673a\u3002
\n6\u3001\u5982\u679c\u7528\u7684\u662f\u8f6c\u53d1\u6a21\u5f0f，\u672c\u5730DNS\u670d\u52a1\u5668\u5c31\u4f1a\u628a\u8bf7\u6c42\u8f6c\u53d1\u81f3\u4e0a\u4e00\u7ea7DNS\u670d\u52a1\u5668，\u7531\u4e0a\u4e00\u7ea7\u670d\u52a1\u5668
\n\u8fdb\u884c\u89e3\u6790，\u4e0a\u4e00\u7ea7\u670d\u52a1\u5668\u5982\u679c\u4e0d\u80fd\u89e3\u6790，\u6216\u627e\u6839DNS\u6216\u628a\u8bf7\u6c42\u8f6c\u81f3\u4e0a\u4e0a\u7ea7，\u4ee5\u6b64\u5faa\u73af\u3002\u627e\u5230\u6700\u540e
\n\u628a\u7ed3\u679c\u8fd4\u56de\u7ed9\u672c\u5730DNS\u670d\u52a1\u5668，\u7531\u6b64DNS\u670d\u52a1\u5668\u518d\u8fd4\u56de\u7ed9\u5ba2\u6237\u673a\u3002
\n\u6ce8：\u4ece\u5ba2\u6237\u7aef\u5230\u672c\u5730DNS\u670d\u52a1\u5668\u662f\u5c5e\u4e8e\u9012\u5f52\u67e5\u8be2，\u800cDNS\u670d\u52a1\u5668\u4e4b\u95f4\u4f7f\u7528\u7684\u4ea4\u4e92\u67e5\u8be2\u5c31\u662f\u8fed\u4ee3\u67e5
\n\u8be2\u3002
\n114.114.114.114\u662f\u56fd\u5185\u79fb\u52a8\u3001\u7535\u4fe1\u548c\u8054\u901a\u901a\u7528\u7684DNS，\u624b\u673a\u548c\u7535\u8111\u7aef\u90fd\u53ef\u4ee5\u4f7f\u7528，\u5e72\u51c0\u65e0\u5e7f\u544a，
\n\u89e3\u6790\u6210\u529f\u7387\u76f8\u5bf9\u6765\u8bf4\u66f4\u9ad8，\u56fd\u5185\u7528\u6237\u4f7f\u7528\u7684\u6bd4\u8f83\u591a，\u800c\u4e14\u901f\u5ea6\u76f8\u5bf9\u5feb\u3001\u7a33\u5b9a，\u662f\u56fd\u5185\u7528\u6237\u4e0a\u7f51\u5e38\u7528
\n\u7684DNS\u3002
\n8.8.8.8\u662fGOOGLE\u516c\u53f8\u63d0\u4f9b\u7684DNS，\u8be5\u5730\u5740\u662f\u5168\u7403\u901a\u7528\u7684，\u76f8\u5bf9\u6765\u8bf4，\u66f4\u9002\u5408\u56fd\u5916\u4ee5\u53ca\u8bbf\u95ee\u56fd\u5916
\n\u7f51\u7ad9\u7684\u7528\u6237\u4f7f\u7528\u3002 <\/p>\n
\u63d0\u4f9bDNS\u670d\u52a1\u7684\u8f6f\u4ef6\u53ebbind，\u670d\u52a1\u540d\u662fnamed\u3002
\n[root@localhost ~]# yum install bind -y
\n [root@localhost ~]# rpm -ql bind
\n \/etc\/named.conf # bind\u4e3b\u914d\u7f6e\u6587\u4ef6
\n\/var\/named\/slaves # \u4ecedns\u670d\u52a1\u5668\u6587\u4ef6\u5939
\n[root@localhost ~]# vim \/etc\/named.conf
\n options {
\n #\u5b9a\u4e49\u76d1\u542c\u7aef\u53e3，\u5982\u679c\u6240\u6709\u5730\u5740\u90fd\u76d1\u542c，\u5219\u53ea\u5199\u7aef\u53e3
\n listen-on port 53 { 127.0.0.1; };
\n listen-on-v6 port 53 { ::1; };
\n #\u5b9a\u4e49\u6570\u636e\u6587\u4ef6\u76ee\u5f55
\n directory "\/var\/named";
\n #\u53ea\u5141\u8bb8\u672c\u5730\u4e3b\u673a\u8fdb\u884c\u67e5\u8be2
\n allow-query { localhost; };
\n };
\n #\u5b9a\u4e49\u533a\u57df
\nzone "." IN {
\n type hint;
\n file "named.ca";
\n }; <\/p>\n
[root@localhost ~]# vim \/etc\/named.conf\u4e3b\u914d\u7f6e\u6587\u4ef6
\noptions {
\n #\u76d1\u542c\u7aef\u53e3\u4e3a53，\u5927\u62ec\u53f7\u5185\u6570\u636e\u5185\u5bb9\u53ef\u4ee5\u4e3aany
\n listen-on port 53 { 172.24.8.128; };
\n directory "\/var\/named";
\n };
\n zone "baidu.com" IN {
\n type master;
\n file "named.baidu.com";
\n }; <\/p>\n
\u6b63\u5411\u89e3\u6790\u6587\u4ef6\u8d44\u6e90\u8bb0\u5f55(RR),\u5e38\u89c1\u7684\u6b63\u89e3\u6587\u4ef6\u4fe1\u606f\u5982\u4e0b:<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418182253-6802987d96898.png\")
<\/p>\n
\u00a0SOA\u4e3b\u8981\u4e0e\u533a\u57df\u6709\u5173,\u6240\u4ee5domain\u8981\u5199\u57df\u540d,\u800c\u540e\u9762\u4f1a\u63a5\u4e03\u4e2a\u53c2\u6570:<\/p>\n
1.Master DNS\u670d\u52a1\u5668\u4e3b\u673a\u540d：\u8fd9\u4e2a\u533a\u57df\u4e3b\u8981\u662f\u54ea\u53f0DNS\u4f5c\u4e3aMaster\u7684\u610f\u601d\u3002<\/p>\n
2.\u7ba1\u7406\u5458\u7684Email，\u53d1\u751f\u95ee\u9898\u53ef\u4ee5\u8054\u7cfb\u8fd9\u4e2a\u7ba1\u7406\u5458\u3002\u7531\u4e8e@\u5728\u6570\u636e\u5e93\u6587\u4ef6\u4e2d\u6709\u7279\u6b8a\u542b\u4e49，\u6240\u4ee5\u5c06\u7528\u201c.\u201d \u4ee3\u66ff@<\/p>\n
3.\u5e8f\u53f7（Serial），\u8fd9\u4e2a\u5e8f\u53f7\u4ee3\u8868\u7684\u662f\u8fd9\u4e2a\u6570\u6570\u636e\u5e93\u6587\u4ef6\u7684\u65b0\u65e7，\u5e8f\u53f7\u8d8a\u5927\u4ee3\u8868\u8d8a\u65b0\u3002\u6240\u4ee5\u5f53\u4f60\u66f4\u6539 \u4e86\u6570\u636e\u5e93\u5185\u5bb9\u65f6，\u9700\u8981\u5c06\u8fd9\u4e2a\u6570\u503c\u653e\u5927\u3002<\/p>\n
4.\u66f4\u65b0\u9891\u7387（Refresh）\u5b9a\u4e49slave\u591a\u4e45\u5411Master\u8981\u6c42\u6570\u636e\u66f4\u65b0\u3002<\/p>\n
5.\u5931\u8d25\u91cd\u65b0\u5c1d\u8bd5\u65f6\u95f4（Retry），\u5982\u679cSlave\u65e0\u6cd5\u5bf9Master\u5b9e\u73b0\u8fde\u63a5，\u90a3\u4e48\u5728\u591a\u957f\u65f6\u95f4\u5185，Slave\u4f1a\u5c1d \u8bd5\u91cd\u65b0\u8fde\u63a5\u5230Master\u3002<\/p>\n
6.\u5931\u6548\u65f6\u95f4（Expire），\u5982\u679c\u4e00\u76f4\u5c1d\u8bd5\u5931\u8d25，\u6301\u7eed\u8fde\u63a5\u5230\u8fbe\u8fd9\u4e2a\u8bbe\u7f6e\u503c\u65f6\u9650，\u90a3\u4e48Slave\u5c06\u4e0d\u518d\u7ee7\u7eed \u5c1d\u8bd5\u8fde\u63a5，\u5e76\u4e14\u5c1d\u8bd5\u5220\u9664\u8fd9\u4efd\u4e0b\u8f7d\u7684zone file\u4fe1\u606f\u3002<\/p>\n
7.\u7f13\u5b58\u65f6\u95f4（Minumum TTL），\u5982\u679c\u8fd9\u4e2a\u6570\u636e\u5e93zone file\u4e2d，\u6bcf\u6761\u8bb0\u5f55\u90fd\u6ca1\u6709\u5199\u5230TTL\u7f13\u5b58\u65f6\u95f4\u7684 \u8bdd，\u90a3\u4e48\u5c31\u4ee5\u8fd9\u4e2aSOA\u7684\u8bbe\u7f6e\u503c\u4e3a\u4e3b\u3002ttl\u7684\u610f\u601d\u662f\u5f53\u8fd9\u7b14\u8bb0\u5f55\u88ab\u5176\u4ed6DNS\u670d\u52a1\u5668\u67e5\u8be2\u5230\u540e，\u8fd9\u4e2a\u8bb0 \u5f55\u4f1a\u5728\u5bf9\u65b9DNS\u670d\u52a1\u5668\u7684\u7f13\u5b58\u4e2d，\u4fdd\u6301\u591a\u4e45\u65f6\u95f4\u3002\u5982\u679c\u5199\u4e86$TTL，\u5219\u4ee5\u8be5\u503c\u4e3a\u51c6\u3002<\/p>\n
\u65f6\u95f4\u5355\u4f4d：M（\u5206\u949f），H（\u5c0f\u65f6），D（\u5929），W（\u5468），\u9ed8\u8ba4\u662f\u79d2\u00a0<\/p>\n
[root@localhost ~]# vim \/var\/named\/named.baidu.com
\n $TTL 1D
\n@ IN SOA @ admin.baidu.com. ( 0 1D 1H 1W 3H )
\n IN NS ns.baidu.com.
\n IN MX 10 mail.baidu.com.
\nns IN A 172.24.8.128
\n mail IN A 172.24.8.128
\n www IN A 172.24.8.128
\n ftp IN CNAME www
\n[root@localhost ~]# systemctl restart named
\n [root@localhost ~]# systemctl disable firewalld –now
\n [root@webserver ~]# setenforce 0<\/p>\n
#\u5ba2\u6237\u7aef\u6d4b\u8bd5
\n host [-a] FQDN [server]
\n nslookup [FQDN] [server]
\n dig [options] FQDN [@server]
\n options：+trace\u4ee3\u8868\u4ece.\u5f00\u59cb\u8ffd\u8e2a；-t type\u67e5\u8be2\u7684\u6570\u636e\u4e3b\u8981\u6709MX\u3001NS\u3001SOA\u3001A\u7b49\u7c7b\u578b；-x\u67e5
\n\u8be2\u53cd\u89e3\u4fe1
\n\u606f
\n[root@localhost ~]# host www.baidu.com 172.24.8.128
\n [root@localhost ~]# nslookup www.baidu.com 172.24.8.128
\n [root@localhost ~]# dig -t A www.baidu.com @172.24.8.128 <\/p>\n
[root@localhost ~]# vim \/etc\/named.conf
\n zone "8.24.172.in-addr.arpa" IN {
\n type master;
\n file "named.172.24.8";
\n };
\n #\u53cd\u5411\u533a\u57df\u6587\u4ef6
\n[root@localhost ~]# vim \/var\/named\/named.172.24.8
\n $TTL 1D
\n @ IN SOA ns.baidu.com. admin.baidu.com. ( 0 1D 1H 1W 3H )
\n IN NS ns.baidu.com.
\n 128 IN PTR ns.baidu.com.
\n 128 IN PTR www.baidu.com.
\n 128 IN PTR mail.baidu.com.
\n 128 IN PTR ftp.baidu.com.
\n #\u53cd\u89e3\u9700\u8981\u6ce8\u610f：\u4e3b\u673a\u540d\u5c3d\u91cf\u4f7f\u7528\u5b8c\u6574\u7684FQDN，\u5373\u8981\u5199\u4e0a\u201c.<\/p>\n
#\u5ba2\u6237\u7aef\u6d4b\u8bd5
\n [root@localhost ~]# host 172.24.8.128 172.24.8.128
\n [root@localhost ~]# nslookup 172.24.8.128 172.24.8.128
\n [root@localhost ~]# dig -x 172.24.8.128 @172.24.8.128 <\/p>\n
\u5c06\u4e00\u4e2a\u533a\u57df\u6587\u4ef6\u590d\u5236\u5230\u591a\u4e2a\u670d\u52a1\u5668\u4e0a\u7684\u8fc7\u7a0b\u53eb\u505a\u533a\u57df\u4f20\u9001\u3002\u5c06\u4e3b\u670d\u52a1\u5668\u4e0a\u7684\u4fe1\u606f\u590d\u5236\u5230\u8f85\u52a9\u670d\u52a1\u5668\u4e0a\u6765 \u5b9e\u73b0\u3002<\/p>\n
(1).\u5b8c\u5168\u533a\u57df\u4f20\u9001:：\u590d\u5236\u6574\u4e2a\u533a\u57df\u6587\u4ef6<\/p>\n
#\u4e3bDNS\u670d\u52a1\u5668\u7684\u914d\u7f6e\u3010\u4e3bdns\u670d\u52a1\u5668\u7684ip\u5730\u5740\u4e3a172.24.8.128\u3011
\n[root@localhost ~]# vim \/etc\/named.conf
\n options {
\n listen-on port 53 { 172.24.8.128; };
\n directory "\/var\/named";
\n allow-transfer { 172.24.8.129; };
\n};
\n zone "baidu.com" IN {
\n type master;
\n file "named.baidu.com";
\n };
\n[root@localhost ~]# vim \/var\/named\/named.baidu.com
\n $TTL 1D
\n@ IN SOA @ admin.baidu.com. ( 0 1D 1H 1W 3H )
\n IN NS ns.baidu.com.
\n IN NS slave.baidu.com.
\n IN MX 10 mail.baidu.com.
\nns IN A 172.24.8.128
\n slave IN A 172.24.8.129
\n mail IN A 172.24.8.128
\n www IN A 172.24.8.128
\n ftp IN CNAME www
\n[root@localhost ~]# systemct restart named
\n#\u4eceDNS\u670d\u52a1\u5668\u7684\u914d\u7f6e\u3010\u4ecedns\u670d\u52a1\u5668\u7684ip\u5730\u5740\u4e3a172.24.8.129\u3011
\n[root@localhost ~]# yum install bind -y
\n [root@localhost ~]# vim \/etc\/named.conf
\n options {
\n listen-on port 53 { 172.24.8.128; };
\n directory "\/var\/named";
\n };
\n zone "baidu.com" IN {
\n type slave;
\n file "slaves\/named.baidu.com";
\n masters {172.24.8.128;};
\n };
\n[root@localhost ~]# systemctl restart named
\n#\u6d4b\u8bd5
\n[root@localhost ~]# host www.baidu.com 172.24.8.129 <\/p>\n
(2)\u589e\u91cf\u533a\u57df\u4f20\u9001：\u4ec5\u590d\u5236\u533a\u57df\u91cc\u53d8\u5316\u7684\u6587\u4ef6<\/p>\n
#\u4fee\u6539\u4e3b\u670d\u52a1\u5668\u7684\u533a\u57df\u914d\u7f6e\u6587\u4ef6，\u5e8f\u53f7\u6bd4\u4e4b\u524d\u7684\u5e8f\u53f7\u5927\u3010\u6ce8：\u533a\u57df\u6587\u4ef6\u91cc\u9762\u5fc5\u987b\u8981\u5199\u4ece\u670d\u52a1\u5668\u7684NS\u548cA\u8bb0
\n\u5f55\u3011
\n#\u4e3bDNS\u670d\u52a1\u5668\u7684\u914d\u7f6e\u3010\u4e3bdns\u670d\u52a1\u5668\u7684ip\u5730\u5740\u4e3a172.24.8.128\u3011
\n[root@localhost ~]# vim \/var\/named\/named.baidu.com
\n $TTL 1D
\n@
\nIN SOA @ admin.baidu.com. ( 1 1D 1H 1W 3H )
\n IN NS ns.baidu.com.
\nIN NS slave.baidu.com.
\n IN MX 10 mail.baidu.com.
\nns IN A 172.24.8.128
\n slave IN A 172.24.8.129
\n mail IN A 172.24.8.128
\n www IN A 172.24.8.128
\n ftp IN CNAME www
\n www1 IN CNAME www
\n [root@localhost ~]# systemct restart named <\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.9k\u6b21\uff0c\u70b9\u8d5e17\u6b21\uff0c\u6536\u85cf33\u6b21\u3002DNS\uff08Domain Name System\uff09\u662f\u4e92\u8054\u7f51\u4e0a\u7684\u4e00\u9879\u670d\u52a1\uff0c\u5b83\u4f5c\u4e3a\u5c06\u57df\u540d\u548cIP\u5730\u5740\u76f8\u4e92\u6620\u5c04\u7684\u4e00\u4e2a\u5206\u5e03\u5f0f \u6570\u636e\u5e93\uff0c\u80fd\u591f\u4f7f\u4eba\u66f4\u65b9\u4fbf\u7684\u8bbf\u95ee\u4e92\u8054\u7f51\u3002DNS\u7cfb\u7edf\u4f7f\u7528\u7684\u662f\u7f51\u7edc\u7684\u67e5\u8be2\uff0c\u90a3\u4e48\u81ea\u7136\u9700\u8981\u6709\u76d1\u542c\u7684port\u3002DNS\u4f7f\u7528\u7684\u662f53\u7aef\u53e3\uff0c \u5728\/etc\/services\uff08\u641c\u7d22domain\uff09\u8fd9\u4e2a\u6587\u4ef6\u4e2d\u80fd\u770b\u5230\u3002\u901a\u5e38DNS\u662f\u4ee5UDP\u8fd9\u4e2a\u8f83\u5feb\u901f\u7684\u6570\u636e\u4f20\u8f93\u534f\u8bae\u6765\u67e5 \u8be2\u7684\uff0c\u4f46\u662f\u6ca1\u6709\u67e5\u8be2\u5230\u5b8c\u6574\u7684\u4fe1\u606f\u65f6\uff0c\u5c31\u4f1a\u518d\u6b21\u4ee5TCP\u8fd9\u4e2a\u534f\u8bae\u6765\u91cd\u65b0\u67e5\u8be2\u3002\u6240\u4ee5\u542f\u52a8DNS\u65f6\uff0c\u4f1a\u540c\u65f6 \u542f\u52a8TCP\u4ee5\u53caUDP\u7684port53\u3002_dns\u670d\u52a1\u5668<\/p>\n","protected":false},"author":2,"featured_media":19852,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[43,44],"topic":[],"class_list":["post-19855","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-43","tag-44"],"yoast_head":"\n