{"id":91626,"date":"2026-08-08T07:49:10","date_gmt":"2026-08-07T23:49:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/91626.html"},"modified":"2026-08-08T07:49:10","modified_gmt":"2026-08-07T23:49:10","slug":"dns-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%8c%e6%95%b4%e7%9f%a5%e8%af%86%e5%ae%9e%e6%93%8d","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/91626.html","title":{"rendered":"DNS \u670d\u52a1\u5668\u5b8c\u6574\u77e5\u8bc6+\u5b9e\u64cd"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>\u4e00\u3001DNS \u57fa\u7840\u7406\u8bba<\/li>\n<li>\n<ul>\n<li>1. DNS \u8bde\u751f\u80cc\u666f<\/li>\n<li>2. DNS \u7cfb\u7edf\u7ec4\u6210<\/li>\n<li>3. DNS \u4e24\u79cd\u67e5\u8be2\u65b9\u5f0f<\/li>\n<li>\n<ul>\n<li>&#xff08;1&#xff09;\u9012\u5f52\u67e5\u8be2 RD&#061;1&#xff08;\u5ba2\u6237\u7aef \u2194 \u672c\u5730 DNS&#xff09;<\/li>\n<li>&#xff08;2&#xff09;\u8fed\u4ee3\u67e5\u8be2 RD&#061;0&#xff08;\u672c\u5730 DNS \u2194 \u6839 \/ \u9876\u7ea7 \/ \u6743\u5a01\u670d\u52a1\u5668&#xff09;<\/li>\n<li>\u793a\u4f8b&#xff1a;\u89e3\u6790&#096;www.xiaomi.com&#096;\u5b8c\u6574\u6d41\u7a0b<\/li>\n<\/ul>\n<\/li>\n<li>4. DNS \u6838\u5fc3\u8d44\u6e90\u8bb0\u5f55 RR<\/li>\n<li>\n<ul>\n<li>SOA \u5b57\u6bb5\u8be6\u89e3<\/li>\n<\/ul>\n<\/li>\n<li>5. DNS \u670d\u52a1\u5668\u5206\u7c7b<\/li>\n<li>6. \u5e38\u7528 DNS \u6392\u67e5\u5de5\u5177<\/li>\n<li>\n<ul>\n<li>Windows \u5de5\u5177<\/li>\n<li>Linux \u5de5\u5177&#xff08;bind-utils \u5305&#xff09;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001CentOS7 BIND \u6743\u5a01 DNS \u5b9e\u64cd&#xff08;\u4e3b\u670d\u52a1\u5668&#xff09;<\/li>\n<li>\n<ul>\n<li>\u5b9e\u9a8c\u73af\u5883\u89c4\u5212<\/li>\n<li>\u6b65\u9aa4 1&#xff1a;\u57fa\u7840\u73af\u5883\u521d\u59cb\u5316&#xff08;\u4e24\u53f0\u4e3b\u673a\u5747\u6267\u884c&#xff09;<\/li>\n<li>\u6b65\u9aa4 2&#xff1a;dns-server \u5b89\u88c5 BIND \u670d\u52a1<\/li>\n<li>\u6b65\u9aa4 3&#xff1a;\u4fee\u6539\u4e3b\u914d\u7f6e\u6587\u4ef6&#096;\/etc\/named.conf&#096;<\/li>\n<li>\n<ul>\n<li>1&#xff09;\u5b9a\u4e49 ACL \u53ef\u4fe1\u7f51\u6bb5<\/li>\n<li>2&#xff09;\u4fee\u6539 options \u5168\u5c40\u914d\u7f6e<\/li>\n<li>3&#xff09;\u5b9a\u4e49\u6b63\u5411\u3001\u53cd\u5411\u533a\u57df&#xff08;\u6587\u4ef6\u672b\u5c3e\u8ffd\u52a0&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>\u6b65\u9aa4 4&#xff1a;\u521b\u5efa\u533a\u57df\u89e3\u6790\u6587\u4ef6<\/li>\n<li>\n<ul>\n<li>1&#xff09;\u590d\u5236\u6a21\u677f\u751f\u6210\u533a\u57df\u6587\u4ef6<\/li>\n<li>2&#xff09;\u7f16\u8f91\u6b63\u5411\u533a\u57df&#096;\/var\/named\/laogao.cloud.zone&#096;<\/li>\n<li>3&#xff09;\u7f16\u8f91\u53cd\u5411\u533a\u57df&#096;\/var\/named\/10.1.8.zone&#096;<\/li>\n<\/ul>\n<\/li>\n<li>\u6b65\u9aa4 5&#xff1a;\u6821\u9a8c\u914d\u7f6e\u8bed\u6cd5&#xff08;\u542f\u52a8\u524d\u5fc5\u505a&#xff09;<\/li>\n<li>\u6b65\u9aa4 6&#xff1a;\u542f\u52a8\u670d\u52a1 &#043; \u653e\u884c\u9632\u706b\u5899<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001\u5ba2\u6237\u7aef\u6d4b\u8bd5&#xff08;dns-client \u4e3b\u673a&#xff09;<\/li>\n<li>\n<ul>\n<li>1. \u5ba2\u6237\u7aef\u6307\u5b9a DNS \u670d\u52a1\u5668<\/li>\n<li>2. \u89e3\u6790\u6d4b\u8bd5\u547d\u4ee4<\/li>\n<\/ul>\n<\/li>\n<li>\u56db\u3001\u6269\u5c55&#xff1a;\u7f13\u5b58 DNS \u670d\u52a1\u5668&#xff08;Unbound\/Dnsmasq&#xff09;<\/li>\n<li>\n<ul>\n<li>\u65b9\u6848 1&#xff1a;Unbound \u8f7b\u91cf\u7f13\u5b58 DNS<\/li>\n<li>\n<ul>\n<li>1. \u5b89\u88c5<\/li>\n<li>2. \u6838\u5fc3\u914d\u7f6e&#096;\/etc\/unbound\/unbound.conf&#096;<\/li>\n<li>3. \u7ba1\u7406\u7f13\u5b58<\/li>\n<\/ul>\n<\/li>\n<li>\u65b9\u6848 2&#xff1a;Dnsmasq \u591a\u529f\u80fd\u7f13\u5b58 DNS&#xff08;\u5c0f\u578b\u5c40\u57df\u7f51\u9996\u9009&#xff09;<\/li>\n<li>\n<ul>\n<li>1. \u5b89\u88c5<\/li>\n<li>2. \u6838\u5fc3\u914d\u7f6e&#096;\/etc\/dnsmasq.conf&#096;<\/li>\n<li>3. \u4e0a\u6e38 DNS \u6587\u4ef6&#096;\/etc\/resolv.dnsmasq.conf&#096;<\/li>\n<li>4. \u542f\u52a8\u6d4b\u8bd5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u4e00\u3001DNS \u57fa\u7840\u7406\u8bba<\/h3>\n<h4>1. DNS \u8bde\u751f\u80cc\u666f<\/h4>\n<p>\u65e9\u671f ARPAnet \u901a\u8fc7HOSTS.txt\u7ef4\u62a4\u4e3b\u673a\u540d\u4e0e IP \u6620\u5c04&#xff0c;\u7531 NIC \u7edf\u4e00\u5206\u53d1&#xff0c;\u7f51\u7edc\u89c4\u6a21\u66b4\u9732\u51fa\u4e24\u5927\u81f4\u547d\u7f3a\u9677&#xff1a;<\/p>\n<li>\n<p>\u540d\u79f0\u51b2\u7a81&#xff1a;\u7528\u6237\u968f\u610f\u4fee\u6539\u4e3b\u673a\u540d\u6613\u91cd\u590d&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u6570\u636e\u4e0d\u4e00\u81f4<\/p>\n<p>&#xff1a;\u5168\u7f51\u4e3b\u673a\u6587\u4ef6\u540c\u6b65\u6ede\u540e&#xff0c;\u89e3\u6790\u9519\u4e71\u3002<\/p>\n<p>\u4e3a\u89e3\u51b3\u5206\u5e03\u5f0f\u57df\u540d\u89e3\u6790\u95ee\u9898&#xff0c;DNS&#xff08;Domain Name System&#xff0c;\u57df\u540d\u7cfb\u7edf&#xff09;\u8bde\u751f&#xff0c;\u6838\u5fc3\u4f5c\u7528&#xff1a;<\/p>\n<p>\u628a\u4eba\u7c7b\u6613\u8bb0\u57df\u540d\u7ffb\u8bd1\u4e3a\u673a\u5668\u901a\u4fe1 IP \u5730\u5740<\/p>\n<\/li>\n<p>\u57df\u540d\u89e3\u6790\u8bbf\u95ee\u6d41\u7a0b<\/p>\n<p>\u6d41\u7a0b\u7b80\u8ff0&#xff1a;\u5ba2\u6237\u7aef\u8f93\u5165\u57df\u540d\u2192DNS \u89e3\u6790\u5f97\u5230 IP\u2192\u57fa\u4e8e IP \u53d1\u8d77 HTTP \u8bbf\u95ee\u3002<\/p>\n<h4>2. DNS \u7cfb\u7edf\u7ec4\u6210<\/h4>\n<li>\n<p>\u57df\u540d&#xff1a;\u5b57\u7b26\u5316\u4e3b\u673a\u6807\u8bc6&#xff0c;\u5982www.huawei.com&#xff1b;<\/p>\n<\/li>\n<li>\n<p>DNS \u670d\u52a1\u5668&#xff1a;\u5206\u5e03\u5f0f\u6570\u636e\u5e93&#xff0c;\u5b58\u50a8\u57df\u540d &#8211; IP \u6620\u5c04&#xff0c;\u54cd\u5e94\u89e3\u6790\u8bf7\u6c42&#xff0c;\u4e0d\u5b58\u50a8\u5168\u7f51\u6240\u6709\u8bb0\u5f55&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u5206\u5c42\u57df\u540d\u6811\u7ed3\u6784<\/p>\n<p>&#xff08;\u4ece\u9876\u5230\u5e95&#xff09;<\/p>\n<p>DNS\u5c42\u7ea7\u7ed3\u6784<\/p>\n<\/li>\n<ul>\n<li>\n<p>\u6839\u57df&#xff1a;.&#xff0c;\u6240\u6709\u57df\u540d\u9876\u5c42&#xff0c;\u9ed8\u8ba4\u4e66\u5199\u7701\u7565&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u9876\u7ea7\u57df TLD&#xff1a;<\/p>\n<ul>\n<li>gTLD \u901a\u7528\u57df&#xff1a;.com\u5546\u4e1a\u3001.edu\u6559\u80b2\u3001.org\u7ec4\u7ec7&#xff1b;<\/li>\n<li>ccTLD \u56fd\u5bb6\u57df&#xff1a;.cn\u4e2d\u56fd\u3001.uk\u82f1\u56fd\u3001.us\u7f8e\u56fd&#xff1b;<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6b21\u9876\u7ea7\u57df&#xff1a;\u4f01\u4e1a\u81ea\u5b9a\u4e49&#xff0c;\u5982huawei&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u4e3b\u673a\u540d&#xff1a;\u670d\u52a1\u5668\u6807\u8bc6&#xff0c;\u5982<\/p>\n<p> www<\/p>\n<p>\u3001<\/p>\n<p> mail<\/p>\n<p>&#xff1b;<\/p>\n<p>\u5b8c\u6574 FQDN \u683c\u5f0f&#xff1a;<\/p>\n<p> \u4e3b\u673a.\u6b21\u7ea7\u57df.\u9876\u7ea7\u57df.\u6839<\/p>\n<p>\u2192<\/p>\n<p> www.huawei.com.\n <\/li>\n<\/ul>\n<h4>3. DNS \u4e24\u79cd\u67e5\u8be2\u65b9\u5f0f<\/h4>\n<p>DNS \u5b8c\u6574\u89e3\u6790\u6d41\u7a0b\u4e3a\u9012\u5f52 &#043; \u8fed\u4ee3\u7ec4\u5408&#xff08;\u4e92\u8054\u7f51\u6807\u51c6\u6d41\u7a0b&#xff09;<\/p>\n<h5>&#xff08;1&#xff09;\u9012\u5f52\u67e5\u8be2 RD&#061;1&#xff08;\u5ba2\u6237\u7aef \u2194 \u672c\u5730 DNS&#xff09;<\/h5>\n<p>\u5ba2\u6237\u7aef\u53ea\u53d1 1 \u6b21\u8bf7\u6c42&#xff0c;\u5168\u6743\u4ea4\u7ed9\u672c\u5730 DNS&#xff0c;\u670d\u52a1\u5668\u5fc5\u987b\u8fd4\u56de\u6700\u7ec8 IP \u6216\u62a5\u9519&#xff0c;\u4e0d\u8fd4\u56de\u4e2d\u95f4\u670d\u52a1\u5668\u5730\u5740\u3002<\/p>\n<h5>&#xff08;2&#xff09;\u8fed\u4ee3\u67e5\u8be2 RD&#061;0&#xff08;\u672c\u5730 DNS \u2194 \u6839 \/ \u9876\u7ea7 \/ \u6743\u5a01\u670d\u52a1\u5668&#xff09;<\/h5>\n<p>\u672c\u5730 DNS \u67e5\u4e0d\u5230\u5b8c\u6574\u8bb0\u5f55&#xff0c;\u4e0a\u7ea7\u670d\u52a1\u5668\u4ec5\u8fd4\u56de\u4e0b\u4e00\u7ea7 DNS \u5730\u5740&#xff0c;\u672c\u5730 DNS \u9010\u5c42\u81ea\u884c\u8be2\u95ee\u3002<\/p>\n<h5>\u793a\u4f8b&#xff1a;\u89e3\u6790www.xiaomi.com\u5b8c\u6574\u6d41\u7a0b<\/h5>\n<li>\u5ba2\u6237\u7aef\u5411\u672c\u5730 DNS \u53d1\u8d77\u9012\u5f52\u67e5\u8be2&#xff0c;\u8981\u6c42\u8fd4\u56de\u6700\u7ec8 IP&#xff1b;<\/li>\n<li>\u672c\u5730 DNS \u65e0\u7f13\u5b58&#xff0c;\u5411\u6839\u670d\u52a1\u5668\u8fed\u4ee3\u67e5\u8be2www.xiaomi.com&#xff1b;<\/li>\n<li>\u6839\u670d\u52a1\u5668\u8fd4\u56de.com\u9876\u7ea7\u57df\u670d\u52a1\u5668\u5730\u5740&#xff1b;<\/li>\n<li>\u672c\u5730 DNS \u5411.com\u670d\u52a1\u5668\u8fed\u4ee3\u67e5\u8be2&#xff0c;\u8fd4\u56dexiaomi.com\u6743\u5a01\u670d\u52a1\u5668\u5730\u5740&#xff1b;<\/li>\n<li>\u672c\u5730 DNS \u5411 xiaomi \u6743\u5a01\u670d\u52a1\u5668\u8fed\u4ee3\u67e5\u8be2&#xff0c;\u83b7\u53d6\u76ee\u6807 IP&#xff1b;<\/li>\n<li>\u672c\u5730 DNS \u7f13\u5b58\u8bb0\u5f55&#xff0c;\u5c06 IP \u9012\u5f52\u8fd4\u56de\u5ba2\u6237\u7aef\u3002<\/li>\n<h4>4. DNS \u6838\u5fc3\u8d44\u6e90\u8bb0\u5f55 RR<\/h4>\n<p>\u6240\u6709\u89e3\u6790\u6570\u636e\u5b58\u50a8\u4e3a\u8d44\u6e90\u8bb0\u5f55&#xff0c;\u901a\u7528\u683c\u5f0f&#xff1a;\u57df\u540d TTL \u7c7b\u578b \u6570\u636e<\/p>\n<p>\u8868\u683c<\/p>\n<table>\n<tr>\u8bb0\u5f55\u7c7b\u578b\u4f5c\u7528\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">A<\/td>\n<td align=\"center\">IPv4 \u6b63\u5411\u89e3\u6790&#xff0c;\u57df\u540d\u2192IP<\/td>\n<td align=\"center\">www 3600 IN A 10.1.8.200<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">AAAA<\/td>\n<td align=\"center\">IPv6 \u6b63\u5411\u89e3\u6790&#xff0c;\u57df\u540d\u2192IPv6<\/td>\n<td align=\"center\">a.root-servers.net IN AAAA 2001:503:ba3e::2:30<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">CNAME<\/td>\n<td align=\"center\">\u57df\u540d\u522b\u540d&#xff0c;\u6307\u5411\u771f\u5b9e\u57df\u540d<\/td>\n<td align=\"center\">student IN CNAME client.laogao.cloud.<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">PTR<\/td>\n<td align=\"center\">\u53cd\u5411\u89e3\u6790&#xff0c;IP\u2192\u57df\u540d&#xff08;in-addr.arpa \u57df&#xff09;<\/td>\n<td align=\"center\">10 IN PTR dns.laogao.cloud.<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">NS<\/td>\n<td align=\"center\">\u533a\u57df\u6743\u5a01\u670d\u52a1\u5668\u8bb0\u5f55&#xff0c;\u6307\u5b9a\u57df\u540d\u7531\u54ea\u53f0 DNS \u89e3\u6790<\/td>\n<td align=\"center\">&#064; IN NS dns.laogao.cloud.<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SOA<\/td>\n<td align=\"center\">\u533a\u57df\u8d77\u59cb\u6388\u6743\u8bb0\u5f55&#xff0c;\u6bcf\u4e2a\u533a\u57df\u552f\u4e00&#xff0c;\u7ba1\u63a7\u4e3b\u4ece\u540c\u6b65\u3001\u7f13\u5b58\u8d85\u65f6<\/td>\n<td align=\"center\">\u5305\u542b\u5e8f\u5217\u53f7\u3001\u5237\u65b0 \/ \u91cd\u8bd5 \/ \u8fc7\u671f\u65f6\u95f4<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">MX<\/td>\n<td align=\"center\">\u90ae\u4ef6\u4ea4\u6362\u8bb0\u5f55&#xff0c;\u57df\u540d\u90ae\u7bb1\u670d\u52a1\u5668&#xff0c;\u6570\u5b57\u8d8a\u5c0f\u4f18\u5148\u7ea7\u8d8a\u9ad8<\/td>\n<td align=\"center\">&#064; IN MX 10 mail.laogao.cloud.<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">TXT<\/td>\n<td align=\"center\">\u6587\u672c\u8bb0\u5f55&#xff0c;\u7528\u4e8e SPF\u3001\u57df\u540d\u6240\u6709\u6743\u9a8c\u8bc1<\/td>\n<td align=\"center\">&#034;v&#061;spf1 a -all&#034;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SRV<\/td>\n<td align=\"center\">\u670d\u52a1\u5b9a\u4f4d\u8bb0\u5f55&#xff0c;\u6807\u8bb0 LDAP\u3001\u6570\u636e\u5e93\u7b49\u670d\u52a1\u7aef\u53e3\u4e0e\u4e3b\u673a<\/td>\n<td align=\"center\">_ldap._tcp IN SRV 0 100 389 server0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>SOA \u5b57\u6bb5\u8be6\u89e3<\/h5>\n<p>plaintext<\/p>\n<p>&#064; IN SOA dns.laogao.cloud. root.laogao.cloud. (<br \/>\n2026080500 ; serial \u5e8f\u5217\u53f7&#xff0c;\u4fee\u6539\u533a\u57df\u6587\u4ef6\u5fc5\u987b&#043;1<br \/>\n3H         ; refresh \u4ece\u670d\u52a1\u5668\u591a\u4e45\u540c\u6b65\u4e3b\u670d\u52a1\u5668<br \/>\n15M        ; retry \u540c\u6b65\u5931\u8d25\u91cd\u8bd5\u95f4\u9694<br \/>\n1W         ; expire \u957f\u671f\u540c\u6b65\u5931\u8d25&#xff0c;\u4ece\u670d\u52a1\u5668\u505c\u6b62\u63d0\u4f9b\u89e3\u6790<br \/>\n15M        ; minimum \u4e0d\u5b58\u5728\u57df\u540d\u7684\u8d1f\u7f13\u5b58\u65f6\u95f4<br \/>\n)<\/p>\n<ul>\n<li>dns.laogao.cloud.&#xff1a;\u4e3b DNS \u670d\u52a1\u5668 FQDN&#xff1b;<\/li>\n<li>root.laogao.cloud.&#xff1a;\u7ba1\u7406\u5458\u90ae\u7bb1&#xff0c;.\u66ff\u4ee3&#064;&#xff0c;\u5373root&#064;laogao.cloud\u3002<\/li>\n<\/ul>\n<h4>5. DNS \u670d\u52a1\u5668\u5206\u7c7b<\/h4>\n<li>\n<p>\u6743\u5a01\u670d\u52a1\u5668&#xff08;BIND Master\/Slave&#xff09;<\/p>\n<ul>\n<li>\n<p>Master \u4e3b\u670d\u52a1\u5668&#xff1a;\u552f\u4e00\u53ef\u7f16\u8f91\u533a\u57df\u89e3\u6790\u8bb0\u5f55&#xff1b;<\/p>\n<\/li>\n<li>\n<p>Slave \u4ece\u670d\u52a1\u5668&#xff1a;\u5b9a\u671f\u4ece\u4e3b\u670d\u52a1\u5668<\/p>\n<p>\u533a\u57df\u4f20\u8f93 Zone Transfer<\/p>\n<p>\u540c\u6b65\u6570\u636e&#xff0c;\u63d0\u4f9b\u5197\u4f59\u89e3\u6790&#xff1b;<\/p>\n<p>\u4f01\u4e1a\u89c4\u8303&#xff1a;\u81f3\u5c11\u90e8\u7f72 2 \u53f0\u5f02\u5730\u6743\u5a01\u670d\u52a1\u5668&#xff0c;\u907f\u514d\u5355\u70b9\u6545\u969c\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7f13\u5b58\u9012\u5f52\u670d\u52a1\u5668&#xff08;Unbound\/Dnsmasq\/BIND&#xff09;<\/p>\n<p>\u4e0d\u5b58\u50a8\u6743\u5a01\u8bb0\u5f55&#xff0c;\u7f13\u5b58\u5916\u7f51\u89e3\u6790\u7ed3\u679c&#xff0c;\u52a0\u901f\u5185\u7f51\u89e3\u6790&#xff0c;\u4ec5\u5bf9\u5185\u7f51\u53ef\u4fe1\u4e3b\u673a\u5f00\u653e\u9012\u5f52&#xff0c;\u9632\u6b62 DNS \u653e\u5927\u653b\u51fb\u3002<\/p>\n<\/li>\n<h4>6. \u5e38\u7528 DNS \u6392\u67e5\u5de5\u5177<\/h4>\n<h5>Windows \u5de5\u5177<\/h5>\n<li>ipconfig \/displaydns&#xff1a;\u67e5\u770b\u672c\u673a DNS \u7f13\u5b58<\/li>\n<li>ipconfig \/flushdns&#xff1a;\u6e05\u7a7a\u672c\u673a DNS \u7f13\u5b58<\/li>\n<li>nslookup&#xff1a;\u4ea4\u4e92\u5f0f \/ \u975e\u4ea4\u4e92\u5f0f\u89e3\u6790\u67e5\u8be2<\/li>\n<h5>Linux \u5de5\u5177&#xff08;bind-utils \u5305&#xff09;<\/h5>\n<li> dig\n<p>&#xff1a;\u529f\u80fd\u6700\u5168&#xff0c;\u5b8c\u6574\u8f93\u51fa\u89e3\u6790\u62a5\u6587&#xff0c;\u6392\u9519\u9996\u9009<\/p>\n<ul>\n<li>dig &#064;DNSIP \u57df\u540d&#xff1a;\u6307\u5b9a\u670d\u52a1\u5668\u67e5\u8be2<\/li>\n<li>dig &#043;short \u57df\u540d&#xff1a;\u7cbe\u7b80\u8f93\u51fa\u4ec5 IP<\/li>\n<li>dig -t MX \u57df\u540d&#xff1a;\u6307\u5b9a\u67e5\u8be2 MX \u8bb0\u5f55<\/li>\n<li>dig -x IP&#xff1a;\u53cd\u5411 PTR \u67e5\u8be2<\/li>\n<li>dig &#043;trace \u57df\u540d&#xff1a;\u5b8c\u6574\u8ffd\u8e2a\u8fed\u4ee3\u67e5\u8be2\u5168\u8fc7\u7a0b<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>host&#xff1a;\u8f7b\u91cf\u5316\u7b80\u6613\u89e3\u6790\u5de5\u5177<\/p>\n<\/li>\n<li>\n<p>nslookup&#xff1a;\u8de8\u5e73\u53f0\u901a\u7528<\/p>\n<\/li>\n<li>\n<p>whois&#xff1a;\u67e5\u8be2\u57df\u540d\u6ce8\u518c\u5546\u3001\u6ce8\u518c\u65f6\u95f4\u7b49\u4fe1\u606f<\/p>\n<\/li>\n<li>\n<p>getent hosts&#xff1a;\u6309\u7cfb\u7edf\u89e3\u6790\u987a\u5e8f&#xff08;hosts\u2192DNS&#xff09;\u67e5\u8be2\u57df\u540d<\/p>\n<\/li>\n<h3>\u4e8c\u3001CentOS7 BIND \u6743\u5a01 DNS \u5b9e\u64cd&#xff08;\u4e3b\u670d\u52a1\u5668&#xff09;<\/h3>\n<h4>\u5b9e\u9a8c\u73af\u5883\u89c4\u5212<\/h4>\n<p>\u8868\u683c<\/p>\n<table>\n<tr>\u4e3b\u673a\u540dIP \u5730\u5740\u89d2\u8272<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">dns-server<\/td>\n<td align=\"center\">10.1.8.10\/24<\/td>\n<td align=\"center\">BIND \u4e3b\u6743\u5a01\u670d\u52a1\u5668<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">dns-client<\/td>\n<td align=\"center\">10.1.8.11\/24<\/td>\n<td align=\"center\">DNS \u6d4b\u8bd5\u5ba2\u6237\u7aef<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7f51\u5173&#xff1a;10.1.8.2<\/p>\n<h4>\u6b65\u9aa4 1&#xff1a;\u57fa\u7840\u73af\u5883\u521d\u59cb\u5316&#xff08;\u4e24\u53f0\u4e3b\u673a\u5747\u6267\u884c&#xff09;<\/h4>\n<li>\u4fee\u6539\u4e3b\u673a\u540d<\/li>\n<p>bash<\/p>\n<p># dns-server<br \/>\nhostnamectl set-hostname dns-server<br \/>\n# dns-client<br \/>\nhostnamectl set-hostname dns-client<\/p>\n<li>\u914d\u7f6e\u9759\u6001 IP&#xff08;dns-server \u793a\u4f8b&#xff09;<\/li>\n<p>bash<\/p>\n<p>nmcli connection modify ens33 ipv4.method manual \\\\<br \/>\nipv4.addresses 10.1.8.10\/24 ipv4.gateway 10.1.8.2 \\\\<br \/>\nipv4.dns 10.1.8.2 autoconnect yes<br \/>\nnmcli connection up ens33<\/p>\n<p>dns-client \u5c06 IP \u6539\u4e3a10.1.8.11\/24&#xff0c;\u5176\u4f59\u53c2\u6570\u4e00\u81f4\u3002<\/p>\n<h4>\u6b65\u9aa4 2&#xff1a;dns-server \u5b89\u88c5 BIND \u670d\u52a1<\/h4>\n<p>bash<\/p>\n<p># \u5b89\u88c5\u670d\u52a1&#043;\u89e3\u6790\u5de5\u5177<br \/>\nyum install -y bind bind-utils<br \/>\n# \u6838\u5fc3\u6587\u4ef6\u8bf4\u660e<br \/>\n# \/etc\/named.conf   BIND\u4e3b\u914d\u7f6e\u6587\u4ef6<br \/>\n# \/var\/named\/       \u533a\u57df\u89e3\u6790\u6587\u4ef6\u5b58\u653e\u76ee\u5f55<br \/>\n# \/var\/log\/messages named\u8fd0\u884c\u65e5\u5fd7&#xff0c;\u6392\u9519\u4f7f\u7528<\/p>\n<h4>\u6b65\u9aa4 3&#xff1a;\u4fee\u6539\u4e3b\u914d\u7f6e\u6587\u4ef6\/etc\/named.conf<\/h4>\n<h5>1&#xff09;\u5b9a\u4e49 ACL \u53ef\u4fe1\u7f51\u6bb5<\/h5>\n<p>\u6587\u4ef6\u5f00\u5934\u6dfb\u52a0\u5185\u7f51\u7f51\u6bb5\u767d\u540d\u5355<\/p>\n<p>conf<\/p>\n<p>acl classroom {<br \/>\n    10.1.8.0\/24; # \u5141\u8bb8\u5185\u7f51\u6240\u6709\u4e3b\u673a\u8bbf\u95eeDNS<br \/>\n};<\/p>\n<p>\u5185\u7f6e\u9ed8\u8ba4 ACL&#xff1a;<\/p>\n<ul>\n<li>any&#xff1a;\u6240\u6709 IP&#xff1b;none&#xff1a;\u62d2\u7edd\u5168\u90e8&#xff1b;localhost&#xff1a;\u672c\u673a&#xff1b;localnets&#xff1a;\u672c\u673a\u540c\u7f51\u6bb5<\/li>\n<\/ul>\n<h5>2&#xff09;\u4fee\u6539 options \u5168\u5c40\u914d\u7f6e<\/h5>\n<p>conf<\/p>\n<p>options {<br \/>\n    listen-on port 53 { 127.0.0.1; 10.1.8.10; }; # \u76d1\u542c\u672c\u673a\u56de\u73af&#043;\u5185\u7f51\u7f51\u5361IP<br \/>\n    listen-on-v6 port 53 { ::1; };<br \/>\n    directory       &#034;\/var\/named&#034;;<br \/>\n    dump-file       &#034;\/var\/named\/data\/cache_dump.db&#034;;<br \/>\n    statistics-file &#034;\/var\/named\/data\/named_stats.txt&#034;;<br \/>\n    memstatistics-file &#034;\/var\/named\/data\/named_mem_stats.txt&#034;;<br \/>\n    allow-query     { any; }; # \u5141\u8bb8\u6240\u6709\u5ba2\u6237\u7aef\u53d1\u8d77\u67e5\u8be2<br \/>\n    recursion yes; # \u5f00\u542f\u9012\u5f52&#xff08;\u5185\u7f51\u7f13\u5b58\u573a\u666f&#xff1b;\u7eaf\u6743\u5a01\u670d\u52a1\u5668\u5efa\u8bae\u5173\u95edrecursion no&#xff09;<br \/>\n    allow-recursion { classroom; }; # \u4ec5\u5185\u7f51\u5141\u8bb8\u9012\u5f52&#xff0c;\u9632\u653b\u51fb<br \/>\n    allow-transfer { classroom; }; # \u4ec5\u5141\u8bb8\u5185\u7f51\u4ece\u670d\u52a1\u5668\u540c\u6b65\u533a\u57df\u6570\u636e<br \/>\n    dnssec-enable yes;<br \/>\n    dnssec-validation yes;<br \/>\n    bindkeys-file &#034;\/etc\/named.iscdlv.key&#034;;<br \/>\n    managed-keys-directory &#034;\/var\/named\/dynamic&#034;;<br \/>\n    pid-file &#034;\/run\/named\/named.pid&#034;;<br \/>\n    session-keyfile &#034;\/run\/named\/session.key&#034;;<br \/>\n};<\/p>\n<h5>3&#xff09;\u5b9a\u4e49\u6b63\u5411\u3001\u53cd\u5411\u533a\u57df&#xff08;\u6587\u4ef6\u672b\u5c3e\u8ffd\u52a0&#xff09;<\/h5>\n<p>conf<\/p>\n<p># \u6b63\u5411\u533a\u57df&#xff1a;laogao.cloud\u57df\u540d<br \/>\nzone &#034;laogao.cloud&#034; IN {<br \/>\n    type master; # \u89d2\u8272\u4e3a\u4e3b\u670d\u52a1\u5668<br \/>\n    file &#034;laogao.cloud.zone&#034;; # \u5bf9\u5e94\u533a\u57df\u6587\u4ef6\u540d\u79f0<br \/>\n};<br \/>\n# \u53cd\u5411\u533a\u57df&#xff1a;10.1.8.0\/24\u7f51\u6bb5&#xff0c;\u683c\u5f0f \u7f51\u6bb5\u5012\u5199.in-addr.arpa<br \/>\nzone &#034;8.1.10.in-addr.arpa&#034; IN {<br \/>\n    type master;<br \/>\n    file &#034;10.1.8.zone&#034;;<br \/>\n};<\/p>\n<h4>\u6b65\u9aa4 4&#xff1a;\u521b\u5efa\u533a\u57df\u89e3\u6790\u6587\u4ef6<\/h4>\n<h5>1&#xff09;\u590d\u5236\u6a21\u677f\u751f\u6210\u533a\u57df\u6587\u4ef6<\/h5>\n<p>bash<\/p>\n<p># \u6b63\u5411\u533a\u57df\u6a21\u677f<br \/>\ncp \/var\/named\/named.localhost \/var\/named\/laogao.cloud.zone<br \/>\n# \u53cd\u5411\u533a\u57df\u6a21\u677f<br \/>\ncp \/var\/named\/named.loopback \/var\/named\/10.1.8.zone<br \/>\n# \u4fee\u6539\u6587\u4ef6\u6743\u9650\u3001\u5c5e\u7ec4&#xff08;named\u670d\u52a1\u8bfb\u53d6\u6743\u9650&#xff09;<br \/>\nchmod 640 \/var\/named\/*.zone<br \/>\nchown root:named \/var\/named\/*.zone<br \/>\n# SELinux\u6807\u7b7e\u4fee\u590d<br \/>\nchcon -t named_zone_t \/var\/named\/*.zone<\/p>\n<h5>2&#xff09;\u7f16\u8f91\u6b63\u5411\u533a\u57df\/var\/named\/laogao.cloud.zone<\/h5>\n<p>conf<\/p>\n<p>$TTL 1D ; \u9ed8\u8ba4TTL 1\u5929<br \/>\n&#064; IN SOA dns.laogao.cloud. root.laogao.cloud. (<br \/>\n2026080501 ; serial \u4fee\u6539\u6587\u4ef6\u5fc5\u987b\u81ea\u589e<br \/>\n3H<br \/>\n15M<br \/>\n1W<br \/>\n15M<br \/>\n)<br \/>\n; NS\u8bb0\u5f55&#xff0c;\u6307\u5b9a\u6743\u5a01\u670d\u52a1\u5668<br \/>\n&#064; IN NS dns.laogao.cloud.<br \/>\n; A\u8bb0\u5f55 \u57df\u540d\u6620\u5c04IPv4<br \/>\ndns IN A 10.1.8.10<br \/>\nserver IN A 10.1.8.10<br \/>\nclient IN A 10.1.8.11<br \/>\nwww IN A 10.1.8.200<br \/>\nmail IN A 10.1.8.253<br \/>\n; CNAME\u522b\u540d\u8bb0\u5f55<br \/>\nstudent IN CNAME client.laogao.cloud.<br \/>\n; MX\u90ae\u4ef6\u8bb0\u5f55<br \/>\n&#064; IN MX 10 mail.laogao.cloud.<\/p>\n<p>\u6ce8\u610f&#xff1a;\u5b8c\u6574 FQDN \u5fc5\u987b\u672b\u5c3e\u5e26.&#xff0c;\u7b80\u5199\u57df\u540d\u81ea\u52a8\u62fc\u63a5laogao.cloud<\/p>\n<h5>3&#xff09;\u7f16\u8f91\u53cd\u5411\u533a\u57df\/var\/named\/10.1.8.zone<\/h5>\n<p>conf<\/p>\n<p>$TTL 1D<br \/>\n&#064; IN SOA dns.laogao.cloud. root.laogao.cloud. (<br \/>\n2026080501<br \/>\n3H<br \/>\n15M<br \/>\n1W<br \/>\n15M<br \/>\n)<br \/>\n&#064; IN NS dns.laogao.cloud.<br \/>\n; PTR\u53cd\u5411\u8bb0\u5f55&#xff0c;\u4ec5\u5199IP\u6700\u540e\u4e00\u6bb5<br \/>\n10 IN PTR dns.laogao.cloud.<br \/>\n10 IN PTR server.laogao.cloud.<br \/>\n11 IN PTR client.laogao.cloud.<br \/>\n11 IN PTR student.laogao.cloud.<br \/>\n200 IN PTR www.laogao.cloud.<br \/>\n253 IN PTR mail.laogao.cloud.<\/p>\n<h4>\u6b65\u9aa4 5&#xff1a;\u6821\u9a8c\u914d\u7f6e\u8bed\u6cd5&#xff08;\u542f\u52a8\u524d\u5fc5\u505a&#xff09;<\/h4>\n<p>bash<\/p>\n<p># \u6821\u9a8c\u4e3b\u914d\u7f6enamed.conf<br \/>\nnamed-checkconf<br \/>\n# \u6821\u9a8c\u6b63\u5411\u533a\u57df\u6587\u4ef6<br \/>\nnamed-checkzone laogao.cloud \/var\/named\/laogao.cloud.zone<br \/>\n# \u6821\u9a8c\u53cd\u5411\u533a\u57df\u6587\u4ef6<br \/>\nnamed-checkzone 8.1.10.in-addr.arpa \/var\/named\/10.1.8.zone<br \/>\n# \u65e0\u62a5\u9519\u518d\u542f\u52a8\u670d\u52a1<\/p>\n<h4>\u6b65\u9aa4 6&#xff1a;\u542f\u52a8\u670d\u52a1 &#043; \u653e\u884c\u9632\u706b\u5899<\/h4>\n<p>bash<\/p>\n<p># \u5f00\u673a\u81ea\u542f\u5e76\u7acb\u5373\u542f\u52a8<br \/>\nsystemctl enable named &#8211;now<br \/>\n# \u67e5\u770b\u8fd0\u884c\u72b6\u6001<br \/>\nsystemctl status named<br \/>\n# \u9632\u706b\u5899\u653e\u884cDNS 53\u7aef\u53e3UDP\/TCP<br \/>\nfirewall-cmd &#8211;add-service&#061;dns &#8211;permanent<br \/>\nfirewall-cmd &#8211;reload<br \/>\n# \u5b9e\u65f6\u67e5\u770bnamed\u8fd0\u884c\u65e5\u5fd7&#xff08;\u6392\u9519&#xff09;<br \/>\njournalctl -f _SYSTEMD_UNIT&#061;named.service<\/p>\n<h3>\u4e09\u3001\u5ba2\u6237\u7aef\u6d4b\u8bd5&#xff08;dns-client \u4e3b\u673a&#xff09;<\/h3>\n<h4>1. \u5ba2\u6237\u7aef\u6307\u5b9a DNS \u670d\u52a1\u5668<\/h4>\n<p>bash<\/p>\n<p># \u5c06\u5ba2\u6237\u7aefDNS\u6307\u5411\u81ea\u5efaBIND\u670d\u52a1\u5668<br \/>\nnmcli connection modify ens33 ipv4.dns 10.1.8.10<br \/>\nnmcli connection up ens33<\/p>\n<h4>2. \u89e3\u6790\u6d4b\u8bd5\u547d\u4ee4<\/h4>\n<li>ping \u57df\u540d\u57fa\u7840\u6d4b\u8bd5<\/li>\n<p>bash<\/p>\n<p>ping dns.laogao.cloud<br \/>\nping student.laogao.cloud # CNAME\u522b\u540d&#xff0c;\u81ea\u52a8\u89e3\u6790client<br \/>\nping www.laogao.cloud<\/p>\n<li>host \u5de5\u5177\u67e5\u8be2<\/li>\n<p>bash<\/p>\n<p># \u6b63\u5411\u89e3\u6790<br \/>\nhost www.laogao.cloud<br \/>\n# \u53cd\u5411\u89e3\u6790IP<br \/>\nhost 10.1.8.10<br \/>\n# \u67e5\u8be2\u57df\u540dMX\u90ae\u4ef6\u8bb0\u5f55<br \/>\nhost -t MX laogao.cloud<\/p>\n<li>dig \u4e13\u4e1a\u6392\u9519\u67e5\u8be2<\/li>\n<p>bash<\/p>\n<p># \u6307\u5b9a\u670d\u52a1\u5668\u67e5\u8be2A\u8bb0\u5f55<br \/>\ndig &#064;10.1.8.10 www.laogao.cloud A<br \/>\n# \u53cd\u5411PTR\u67e5\u8be2<br \/>\ndig &#064;10.1.8.10 -x 10.1.8.200<br \/>\n# \u67e5\u8be2NS\u6743\u5a01\u670d\u52a1\u5668\u8bb0\u5f55<br \/>\ndig &#064;10.1.8.10 laogao.cloud NS<br \/>\n# \u7cbe\u7b80\u8f93\u51fa\u4ec5IP<br \/>\ndig &#043;short www.laogao.cloud<\/p>\n<li>getent&#xff08;\u9075\u5faa hosts\u2192DNS \u89e3\u6790\u987a\u5e8f&#xff09;<\/li>\n<p>bash<\/p>\n<p>getent hosts student.laogao.cloud<\/p>\n<h3>\u56db\u3001\u6269\u5c55&#xff1a;\u7f13\u5b58 DNS \u670d\u52a1\u5668&#xff08;Unbound\/Dnsmasq&#xff09;<\/h3>\n<h4>\u65b9\u6848 1&#xff1a;Unbound \u8f7b\u91cf\u7f13\u5b58 DNS<\/h4>\n<h5>1. \u5b89\u88c5<\/h5>\n<p>bash<\/p>\n<p>yum install -y unbound bind-utils<\/p>\n<h5>2. \u6838\u5fc3\u914d\u7f6e\/etc\/unbound\/unbound.conf<\/h5>\n<p>conf<\/p>\n<p>server:<br \/>\n    interface: 10.1.8.20 # \u76d1\u542c\u5185\u7f51IP<br \/>\n    interface: 127.0.0.1<br \/>\n    access-control: 10.1.8.0\/24 allow # \u5185\u7f51\u5141\u8bb8\u9012\u5f52<br \/>\n    access-control: 0.0.0.0\/0 refuse # \u62d2\u7edd\u5916\u7f51<br \/>\n    domain-insecure: laogao.cloud # \u5185\u90e8\u57df\u8df3\u8fc7DNSSEC\u6821\u9a8c<br \/>\n# \u5185\u7f51\u57df\u540d\u8f6c\u53d1\u81f3BIND\u6743\u5a01\u670d\u52a1\u5668<br \/>\nforward-zone:<br \/>\n    name: &#034;laogao.cloud&#034;<br \/>\n    forward-addr: 10.1.8.10<br \/>\n# \u6240\u6709\u5916\u7f51\u57df\u540d\u8f6c\u53d1\u516c\u5171DNS<br \/>\nforward-zone:<br \/>\n    name: &#034;.&#034;<br \/>\n    forward-addr: 114.114.114.114<br \/>\n    forward-addr: 8.8.8.8<\/p>\n<h5>3. \u7ba1\u7406\u7f13\u5b58<\/h5>\n<p>bash<\/p>\n<p># \u6821\u9a8c\u914d\u7f6e<br \/>\nunbound-checkconf<br \/>\n# \u542f\u505c\u670d\u52a1<br \/>\nsystemctl enable unbound &#8211;now<br \/>\n# \u5bfc\u51fa\u7f13\u5b58<br \/>\nunbound-control dump_cache &gt; dns_cache.log<br \/>\n# \u6e05\u7a7a\u5355\u57df\u540d\u7f13\u5b58<br \/>\nunbound-control flush www.laogao.cloud<br \/>\n# \u6e05\u7a7a\u6574\u4e2a\u57df\u7f13\u5b58<br \/>\nunbound-control flush_zone laogao.cloud<\/p>\n<h4>\u65b9\u6848 2&#xff1a;Dnsmasq \u591a\u529f\u80fd\u7f13\u5b58 DNS&#xff08;\u5c0f\u578b\u5c40\u57df\u7f51\u9996\u9009&#xff09;<\/h4>\n<p>\u652f\u6301 DNS \u7f13\u5b58 &#043; DHCP &#043; \u5e7f\u544a\u62e6\u622a&#xff0c;\u8f7b\u91cf\u65e0\u590d\u6742\u914d\u7f6e<\/p>\n<h5>1. \u5b89\u88c5<\/h5>\n<p>bash<\/p>\n<p>yum install -y dnsmasq<\/p>\n<h5>2. \u6838\u5fc3\u914d\u7f6e\/etc\/dnsmasq.conf<\/h5>\n<p>conf<\/p>\n<p>listen-address&#061;10.1.8.20,127.0.0.1 # \u76d1\u542cIP<br \/>\nresolv-file&#061;\/etc\/resolv.dnsmasq.conf # \u4e0a\u6e38\u516c\u5171DNS\u6587\u4ef6<br \/>\nstrict-order # \u4e25\u683c\u6309\u987a\u5e8f\u67e5\u8be2\u4e0a\u6e38DNS<br \/>\n# \u5185\u7f51\u57df\u540d\u8f6c\u53d1\u81f3BIND\u6743\u5a01\u670d\u52a1\u5668<br \/>\nserver&#061;\/laogao.cloud\/10.1.8.10<br \/>\n# \u5e7f\u544a\u57df\u540d\u52ab\u6301\u81f3\u65e0\u6548IP&#xff0c;\u5c4f\u853d\u5e7f\u544a<br \/>\naddress&#061;\/ad.xxx.com\/127.0.0.1<br \/>\n# \u81ea\u5b9a\u4e49\u9759\u6001\u5185\u7f51\u89e3\u6790&#xff08;\u66ff\u4ee3hosts&#xff09;<br \/>\naddress&#061;\/server.laogao.cloud\/10.1.8.10<\/p>\n<h5>3. \u4e0a\u6e38 DNS \u6587\u4ef6\/etc\/resolv.dnsmasq.conf<\/h5>\n<p>conf<\/p>\n<p>nameserver 114.114.114.114<br \/>\nnameserver 8.8.8.8<\/p>\n<h5>4. \u542f\u52a8\u6d4b\u8bd5<\/h5>\n<p>bash<\/p>\n<p># \u6821\u9a8c\u914d\u7f6e<br \/>\ndnsmasq -test<br \/>\nsystemctl enable dnsmasq &#8211;now<br \/>\n# \u5ba2\u6237\u7aef\u6d4b\u8bd5<br \/>\ndig &#064;10.1.8.20 www.laogao.cloud<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f55\u4e00\u3001DNS \u57fa\u7840\u7406\u8bba1. DNS \u8bde\u751f\u80cc\u666f2. DNS \u7cfb\u7edf\u7ec4\u62103. DNS \u4e24\u79cd\u67e5\u8be2\u65b9\u5f0f&#xff08;1&#xff09;\u9012\u5f52\u67e5\u8be2 RD1&#xff08;\u5ba2\u6237\u7aef \u2194 \u672c\u5730 DNS&#xff09;&#xff08;2&#xff09;\u8fed\u4ee3\u67e5\u8be2 RD0&#xff08;\u672c\u5730 DNS \u2194 \u6839 \/ \u9876\u7ea7 \/ \u6743\u5a01\u670d\u52a1\u5668&#xff09;\u793a\u4f8b&#xff1a;\u89e3\u6790www.xiaomi.com\u5b8c\u6574\u6d41\u7a0b4. DNS \u6838\u5fc3\u8d44\u6e90\u8bb0\u5f55 RRSOA \u5b57\u6bb5\u8be6\u89e35. DNS \u670d\u52a1\u5668\u5206\u7c7b6. \u5e38\u7528 DN<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[10187,1646,99,58,43,44],"topic":[],"class_list":["post-91626","post","type-post","status-publish","format-standard","hentry","category-server","tag-codingplan","tag-gpt","tag-java","tag-linux","tag-43","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>DNS \u670d\u52a1\u5668\u5b8c\u6574\u77e5\u8bc6+\u5b9e\u64cd - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/91626.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DNS \u670d\u52a1\u5668\u5b8c\u6574\u77e5\u8bc6+\u5b9e\u64cd - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u76ee\u5f55\u4e00\u3001DNS \u57fa\u7840\u7406\u8bba1. DNS \u8bde\u751f\u80cc\u666f2. DNS \u7cfb\u7edf\u7ec4\u62103. DNS \u4e24\u79cd\u67e5\u8be2\u65b9\u5f0f&#xff08;1&#xff09;\u9012\u5f52\u67e5\u8be2 RD1&#xff08;\u5ba2\u6237\u7aef \u2194 \u672c\u5730 DNS&#xff09;&#xff08;2&#xff09;\u8fed\u4ee3\u67e5\u8be2 RD0&#xff08;\u672c\u5730 DNS \u2194 \u6839 \/ \u9876\u7ea7 \/ \u6743\u5a01\u670d\u52a1\u5668&#xff09;\u793a\u4f8b&#xff1a;\u89e3\u6790www.xiaomi.com\u5b8c\u6574\u6d41\u7a0b4. DNS \u6838\u5fc3\u8d44\u6e90\u8bb0\u5f55 RRSOA \u5b57\u6bb5\u8be6\u89e35. 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