{"id":2435,"date":"2025-12-21T14:42:13","date_gmt":"2025-12-21T06:42:13","guid":{"rendered":"https:\/\/www.mailabc.cn\/blog\/?p=2435"},"modified":"2025-12-21T14:43:23","modified_gmt":"2025-12-21T06:43:23","slug":"dnslookup-doc","status":"publish","type":"post","link":"https:\/\/www.mailabc.cn\/blog\/2025\/12\/21\/dnslookup-doc\/","title":{"rendered":"MailABC DNS\u67e5\u8be2\u5de5\u5177"},"content":{"rendered":"<h2>\u5de5\u5177\u7b80\u4ecb<\/h2>\n<p>\u8be5\u5de5\u5177\u53ef\u4ee5\u7528\u4e8e\u67e5\u8be2\u57df\u540d\u89e3\u6790\u8bb0\u5f55\uff0c\u652f\u6301\u67e5\u8be2A\u3001AAAA\u3001CNAME\u3001MX\u3001TXT\u3001PTR\u3001NS\u7b49\u8bb0\u5f55\uff0c\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u7684DNS\u670d\u52a1\u5668\u8fdb\u884c\u67e5\u8be2\u3002<\/p>\n<h2>\u5de5\u5177\u5165\u53e3<\/h2>\n<p><a title=\"\" href=\"https:\/\/www.mailabc.cn\/tools\/dnslookup\/\" rel=\"nofollow\" data-original-title=\"\">MailABC DNS\u5728\u7ebf\u67e5\u8be2\u5de5\u5177<\/a><\/p>\n<h2>\u4f7f\u7528\u8bf4\u660e<\/h2>\n<p>\u754c\u9762\u6982\u89c8\uff1a<\/p>\n<p><a href=\"https:\/\/www.mailabc.cn\/blog\/wp-content\/uploads\/2025\/12\/2025120914334326.png\" rel=\"box\" class=\"fancybox\"><img class=\"aligncenter wp-image-2382 size-full\" data-original=\"https:\/\/www.mailabc.cn\/blog\/wp-content\/uploads\/2025\/12\/2025120914334326.png\"  alt=\"\" width=\"809\" height=\"667\" \/><\/a><\/p>\n<noscript><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2382 size-full\" src=\"https:\/\/www.mailabc.cn\/blog\/wp-content\/uploads\/2025\/12\/2025120914334326.png\" alt=\"\" width=\"809\" height=\"667\" \/><\/a><\/p><\/noscript>\n<p>\u67e5\u8be2\u7ed3\u679c\u793a\u4f8b\uff1a<\/p>\n<p><a href=\"https:\/\/www.mailabc.cn\/blog\/wp-content\/uploads\/2025\/12\/2025120914422614.png\" rel=\"box\" class=\"fancybox\"><img class=\"aligncenter size-large wp-image-2387\" data-original=\"https:\/\/www.mailabc.cn\/blog\/wp-content\/uploads\/2025\/12\/2025120914422614.png\"  alt=\"\" \/><\/a><\/p>\n<noscript><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"406\" class=\"aligncenter size-large wp-image-2387\" src=\"https:\/\/www.mailabc.cn\/blog\/wp-content\/uploads\/2025\/12\/2025120914422614.png\" alt=\"\" \/><\/a><\/p><\/noscript>\n<h2>\u57df\u540d\u89e3\u6790\u7c7b\u578b\u4ecb\u7ecd<\/h2>\n<h3 class=\"header-iWP5WJ auto-hide-last-sibling-br\">1. A \u8bb0\u5f55\uff08Address Record\uff09<\/h3>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u5c06\u57df\u540d\u6307\u5411 IPv4 \u5730\u5740\uff08\u5982<code>192.168.1.1<\/code>\uff09\uff0c\u662f\u6700\u5e38\u7528\u7684\u89e3\u6790\u7c7b\u578b\u3002<\/li>\n<li><strong>\u573a\u666f<\/strong>\uff1a\u7f51\u7ad9\u3001\u670d\u52a1\u5668\u8bbf\u95ee\uff08\u4f8b\u5982\u5c06<code>www.example.com<\/code>\u89e3\u6790\u5230\u670d\u52a1\u5668\u7684 IPv4 \u5730\u5740\uff09\u3002<\/li>\n<li><strong>\u7279\u70b9<\/strong>\uff1a\u4f18\u5148\u7ea7\u65e0\u7279\u6b8a\u8bbe\u7f6e\uff08TTL \u63a7\u5236\u7f13\u5b58\u65f6\u95f4\uff09\uff0c\u4e00\u4e2a\u57df\u540d\u53ef\u5bf9\u5e94\u591a\u4e2a A \u8bb0\u5f55\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u3002<\/li>\n<\/ul>\n<h3 class=\"header-iWP5WJ auto-hide-last-sibling-br\">2. AAAA \u8bb0\u5f55\uff08IPv6 Address Record\uff09<\/h3>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u5c06\u57df\u540d\u6307\u5411 IPv6 \u5730\u5740\uff08\u5982<code>2001:0db8:85a3:0000:0000:8a2e:0370:7334<\/code>\uff09\u3002<\/li>\n<li><strong>\u573a\u666f<\/strong>\uff1a\u652f\u6301 IPv6 \u534f\u8bae\u7684\u670d\u52a1\u5668 \/ \u7f51\u7edc\uff0c\u9002\u914d\u4e0b\u4e00\u4ee3\u4e92\u8054\u7f51\u534f\u8bae\u3002<\/li>\n<li><strong>\u7279\u70b9<\/strong>\uff1a\u4e0e A \u8bb0\u5f55\u903b\u8f91\u4e00\u81f4\uff0c\u4ec5\u9488\u5bf9 IPv6 \u5730\u5740\uff0c\u9700\u670d\u52a1\u5668\u5f00\u542f IPv6 \u652f\u6301\u3002<\/li>\n<\/ul>\n<h3 class=\"header-iWP5WJ auto-hide-last-sibling-br\">3. CNAME \u8bb0\u5f55\uff08Canonical Name Record\uff0c\u522b\u540d\u8bb0\u5f55\uff09<\/h3>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u5c06\u57df\u540d\u6307\u5411\u53e6\u4e00\u4e2a\u57df\u540d\uff08\u800c\u975e IP\uff09\uff0c\u76f8\u5f53\u4e8e \u201c\u57df\u540d\u522b\u540d\u201d\u3002<\/li>\n<li><strong>\u573a\u666f<\/strong>\uff1a\n<ul class=\"auto-hide-last-sibling-br\">\n<li>\u5b50\u57df\u540d\u7edf\u4e00\u6307\u5411\u4e3b\u57df\u540d\uff08\u5982<code>blog.example.com<\/code>\u00a0\u2192\u00a0<code>www.example.com<\/code>\uff09\uff1b<\/li>\n<li>\u4f9d\u8d56\u7b2c\u4e09\u65b9\u670d\u52a1\uff08\u5982 CDN\u3001\u4e91\u5b58\u50a8\uff0c\u5c06<code>static.example.com<\/code>\u6307\u5411 CDN \u670d\u52a1\u5546\u57df\u540d\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u9650\u5236<\/strong>\uff1a\n<ul class=\"auto-hide-last-sibling-br\">\n<li>\u4e0d\u80fd\u7528\u4e8e\u6839\u57df\u540d\uff08\u5982<code>example.com<\/code>\uff09\uff0c\u4ec5\u652f\u6301\u5b50\u57df\u540d\uff1b<\/li>\n<li>\u89e3\u6790\u65f6\u9700\u591a\u4e00\u6b21 DNS \u67e5\u8be2\uff08\u5148\u67e5 CNAME \u76ee\u6807\u57df\u540d\uff0c\u518d\u67e5\u5176 A\/AAAA \u8bb0\u5f55\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 class=\"header-iWP5WJ auto-hide-last-sibling-br\">4. MX \u8bb0\u5f55\uff08Mail Exchange Record\uff0c\u90ae\u4ef6\u4ea4\u6362\u8bb0\u5f55\uff09<\/h3>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u6307\u5b9a\u63a5\u6536\u57df\u540d\u90ae\u4ef6\u7684\u670d\u52a1\u5668\u5730\u5740\uff0c\u4f18\u5148\u7ea7\u51b3\u5b9a\u90ae\u4ef6\u6295\u9012\u987a\u5e8f\uff08\u6570\u503c\u8d8a\u5c0f\u4f18\u5148\u7ea7\u8d8a\u9ad8\uff09\u3002<\/li>\n<li><strong>\u573a\u666f<\/strong>\uff1a\u4f01\u4e1a\u90ae\u7bb1\u3001\u4e2a\u4eba\u90ae\u7bb1\u7684\u90ae\u4ef6\u63a5\u6536\uff08\u4f8b\u5982<code>example.com<\/code>\u7684\u90ae\u4ef6\u7531<code>mx1.qq.com<\/code>\u548c<code>mx2.qq.com<\/code>\u5904\u7406\uff09\u3002<\/li>\n<li><strong>\u793a\u4f8b<\/strong>\uff1a\n<ul class=\"auto-hide-last-sibling-br\">\n<li>\u4f18\u5148\u7ea7 10\uff1a<code>mx1.example.com<\/code><\/li>\n<li>\u4f18\u5148\u7ea7 20\uff1a<code>mx2.example.com<\/code>\uff08\u5907\u7528\u90ae\u4ef6\u670d\u52a1\u5668\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 class=\"header-iWP5WJ auto-hide-last-sibling-br\">5. TXT \u8bb0\u5f55\uff08Text Record\uff0c\u6587\u672c\u8bb0\u5f55\uff09<\/h3>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u5b58\u50a8\u57df\u540d\u76f8\u5173\u7684\u6587\u672c\u4fe1\u606f\uff0c\u5e38\u7528\u4e8e\u9a8c\u8bc1\u3001\u5b89\u5168\u914d\u7f6e\u3002<\/li>\n<li><strong>\u6838\u5fc3\u573a\u666f<\/strong>\uff1a\n<ul class=\"auto-hide-last-sibling-br\">\n<li>SPF \u9a8c\u8bc1\uff08\u9632\u90ae\u4ef6\u4f2a\u9020\uff09\uff1a\u8bb0\u5f55\u5141\u8bb8\u53d1\u9001\u672c\u57df\u540d\u90ae\u4ef6\u7684\u670d\u52a1\u5668 IP \/ \u57df\u540d\uff1b<\/li>\n<li>DKIM \u9a8c\u8bc1\uff08\u90ae\u4ef6\u7b7e\u540d\uff09\uff1a\u5b58\u50a8\u516c\u94a5\u4fe1\u606f\uff0c\u9a8c\u8bc1\u90ae\u4ef6\u5b8c\u6574\u6027\uff1b<\/li>\n<li>DMARC \u9a8c\u8bc1\uff08\u90ae\u4ef6\u7b56\u7565\uff09\uff1a\u6307\u5b9a\u90ae\u4ef6\u4f2a\u9020\u7684\u5904\u7406\u89c4\u5219\uff1b<\/li>\n<li>\u57df\u540d\u6240\u6709\u6743\u9a8c\u8bc1\uff08\u5982\u5907\u6848\u3001\u7b2c\u4e09\u65b9\u670d\u52a1\u9a8c\u8bc1\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7279\u70b9<\/strong>\uff1a\u652f\u6301\u591a\u6761\u8bb0\u5f55\uff0c\u5185\u5bb9\u957f\u5ea6\u6709\u9650\u5236\uff08\u4e0d\u540c\u670d\u52a1\u5546\u7565\u6709\u5dee\u5f02\uff09\u3002<\/li>\n<\/ul>\n<h3 class=\"header-iWP5WJ auto-hide-last-sibling-br\">6. SRV \u8bb0\u5f55\uff08Service Record\uff0c\u670d\u52a1\u5b9a\u4f4d\u8bb0\u5f55\uff09<\/h3>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u6307\u5b9a\u63d0\u4f9b\u7279\u5b9a\u670d\u52a1\u7684\u670d\u52a1\u5668\u5730\u5740\u53ca\u7aef\u53e3\uff08\u5982\u90ae\u4ef6\u3001\u804a\u5929\u3001VoIP \u670d\u52a1\uff09\u3002<\/li>\n<li><strong>\u573a\u666f<\/strong>\uff1a\u4f01\u4e1a\u7ea7\u670d\u52a1\uff08\u5982 Microsoft Exchange\u3001SIP \u7535\u8bdd\u670d\u52a1\uff09\uff0c\u9700\u660e\u786e\u670d\u52a1\u7c7b\u578b\u3001\u534f\u8bae\u3001\u4f18\u5148\u7ea7\u3001\u6743\u91cd\u3001\u7aef\u53e3\u548c\u76ee\u6807\u57df\u540d\u3002<\/li>\n<li><strong>\u683c\u5f0f\u793a\u4f8b<\/strong>\uff1a<code>_sip._tcp.example.com 10 5 5060 sipserver.example.com<\/code>\uff08\u670d\u52a1\u7c7b\u578b_sip\uff0c\u534f\u8bae tcp\uff0c\u4f18\u5148\u7ea7 10\uff0c\u6743\u91cd 5\uff0c\u7aef\u53e3 5060\uff0c\u76ee\u6807\u670d\u52a1\u5668<a class=\"link-bJL8ai\" href=\"https:\/\/sipserver.example.com\/\" target=\"_blank\" rel=\"nofollow noopener\">sipserver.example.com<\/a>\uff09\u3002<\/li>\n<\/ul>\n<h3 class=\"header-iWP5WJ auto-hide-last-sibling-br\">7. NS \u8bb0\u5f55\uff08Name Server Record\uff0c\u57df\u540d\u670d\u52a1\u5668\u8bb0\u5f55\uff09<\/h3>\n<ul class=\"auto-hide-last-sibling-br\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u6307\u5b9a\u57df\u540d\u7684 DNS \u670d\u52a1\u5668\uff08\u6743\u5a01\u670d\u52a1\u5668\uff09\uff0c\u8d1f\u8d23\u89e3\u6790\u8be5\u57df\u540d\u7684\u6240\u6709\u8bb0\u5f55\u3002<\/li>\n<li><strong>\u573a\u666f<\/strong>\uff1a\u57df\u540d\u6258\u7ba1\uff08\u5982\u5c06<code>example.com<\/code>\u7684 NS \u8bb0\u5f55\u6307\u5411\u963f\u91cc\u4e91 DNS\u3001Cloudflare DNS \u670d\u52a1\u5668\uff09\u3002<\/li>\n<li><strong>\u7279\u70b9<\/strong>\uff1a\n<ul class=\"auto-hide-last-sibling-br\">\n<li>\u6839\u57df\u540d\u5fc5\u987b\u8bbe\u7f6e NS \u8bb0\u5f55\uff0c\u4e14\u81f3\u5c11 2 \u6761\uff08\u4e3b\u5907\u670d\u52a1\u5668\uff09\uff1b<\/li>\n<li>\u4fee\u6539 NS \u8bb0\u5f55\u540e\u751f\u6548\u65f6\u95f4\u8f83\u957f\uff08\u901a\u5e38 24-48 \u5c0f\u65f6\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5de5\u5177\u7b80\u4ecb \u8be5\u5de5\u5177\u53ef\u4ee5\u7528\u4e8e\u67e5\u8be2\u57df\u540d\u89e3\u6790\u8bb0\u5f55\uff0c\u652f\u6301\u67e5\u8be2A\u3001AAAA\u3001CNAME\u3001MX\u3001TXT\u3001PTR\u3001NS\u7b49\u8bb0\u5f55\uff0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2398,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[179],"tags":[183],"class_list":["post-2435","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-179","tag-dns"],"_links":{"self":[{"href":"https:\/\/www.mailabc.cn\/blog\/wp-json\/wp\/v2\/posts\/2435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mailabc.cn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mailabc.cn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mailabc.cn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mailabc.cn\/blog\/wp-json\/wp\/v2\/comments?post=2435"}],"version-history":[{"count":3,"href":"https:\/\/www.mailabc.cn\/blog\/wp-json\/wp\/v2\/posts\/2435\/revisions"}],"predecessor-version":[{"id":2438,"href":"https:\/\/www.mailabc.cn\/blog\/wp-json\/wp\/v2\/posts\/2435\/revisions\/2438"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mailabc.cn\/blog\/wp-json\/wp\/v2\/media\/2398"}],"wp:attachment":[{"href":"https:\/\/www.mailabc.cn\/blog\/wp-json\/wp\/v2\/media?parent=2435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mailabc.cn\/blog\/wp-json\/wp\/v2\/categories?post=2435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mailabc.cn\/blog\/wp-json\/wp\/v2\/tags?post=2435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}