{"id":34,"date":"2022-06-21T19:25:35","date_gmt":"2022-06-21T11:25:35","guid":{"rendered":"https:\/\/blog.maoyulong.club\/?p=34"},"modified":"2022-06-21T19:25:37","modified_gmt":"2022-06-21T11:25:37","slug":"dns%e5%ad%a6%e4%b9%a0%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/blog.maoyulong.club\/?p=34","title":{"rendered":"DNS\u5b66\u4e60\u603b\u7ed3"},"content":{"rendered":"<p>\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u7528\u6237\u4ece\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165\u7f51\u7ad9\u57df\u540d\u5e76\u5c55\u73b0\u51fa\u7f51\u9875\u5185\u5bb9\u65f6\uff0c\u57df\u540d\u89e3\u6790\u8fc7\u7a0b\u4f1a\u6d89\u53ca\u4ee5\u4e0b4\u4e2aDNS\u670d\u52a1\u5668\uff1a<\/p>\n<figure>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">DNS \u670d\u52a1\u5668\u540d\u79f0<\/th>\n<th style=\"text-align: left;\">\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\">\u672c\u5730 DNS \u670d\u52a1\u5668\uff08DNS resolver \u6216 Local DNS\uff09<\/td>\n<td style=\"text-align: left;\">\u4e00\u822c\u7531\u7f51\u7edc\u8fd0\u8425\u5546\u63d0\u4f9b\u6216\u7531\u5176\u4ed6\u89e3\u6790\u5546\u63d0\u4f9b\u7684\u516c\u5171DNS\uff0c\u5982 DNSPod \u63d0\u4f9b\u5f97 <a href=\"https:\/\/console.dnspod.cn\/publicdns\/config\/install\" target=\"_blank\"  rel=\"nofollow\" >\u516c\u5171\u89e3\u6790<\/a> \u670d\u52a1\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">\u6743\u5a01 DNS \u670d\u52a1\u5668\uff08authoritative nameserver\uff09<\/td>\n<td style=\"text-align: left;\">\u6743\u5a01 DNS \u670d\u52a1\u5668\u662f\u7279\u5b9a\u57df\u540d\uff08\u4f8b\u5982\u201cdnspod.cn\u201d\uff09\u5728\u57df\u540d\u6ce8\u518c\u5546\u5904\u6240\u8bbe\u7f6e\u7684 DNS \u670d\u52a1\u5668\uff0c\u7528\u4e8e\u8be5\u57df\u540d\u672c\u8eab\u89e3\u6790\u8bb0\u5f55\u7684\u7ba1\u7406\uff08\u589e\u52a0\u3001\u5220\u9664\u3001\u4fee\u6539\u7b49\uff09\u3002\u6743\u5a01 DNS \u670d\u52a1\u5668\u53ea\u5bf9\u6258\u7ba1\u5728\u81ea\u5df1\u670d\u52a1\u4e0b\u7684\u57df\u540d\u8fdb\u884c\u57df\u540d\u89e3\u6790\uff0c\u5bf9\u4e8e\u672a\u6258\u7ba1\u7684\u57df\u540d\u5219\u62d2\u7edd\u8bbf\u95ee\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">\u9876\u7ea7 DNS \u670d\u52a1\u5668\uff08Tld nameserver\uff09<\/td>\n<td style=\"text-align: left;\">\u9876\u7ea7 DNS \u670d\u52a1\u5668\u7ef4\u62a4\u5171\u4eab\u901a\u7528\u57df\u6269\u5c55\u540d\u7684\u6240\u6709\u57df\u540d\u7684\u4fe1\u606f\uff0c\u4f8b\u5982 .com \u9876\u7ea7 DNS \u670d\u52a1\u5668\u5305\u542b\u4ee5\u201c.com\u201d\u7ed3\u5c3e\u7684\u6bcf\u4e2a\u7f51\u7ad9\u7684\u4fe1\u606f\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">\u6839 DNS \u670d\u52a1\u5668\uff08Root nameserver\uff09<\/td>\n<td style=\"text-align: left;\">\u672c\u5730 DNS \u670d\u52a1\u5668\u5728\u672c\u5730\u67e5\u8be2\u4e0d\u5230\u89e3\u6790\u7ed3\u679c\u65f6\uff0c\u5219\u7b2c\u4e00\u6b65\u4f1a\u5411\u6839 DNS \u670d\u52a1\u5668\u8fdb\u884c\u67e5\u8be2\uff0c\u6839 DNS \u670d\u52a1\u5668\u5c06\u6839\u636e\u8be5\u57df\u7684\u6269\u5c55\u540d\uff08.com\u3001.xyz\u3001cn \u7b49\uff09\uff0c\u901a\u8fc7\u5c06\u672c\u5730 DNS \u670d\u52a1\u5668\u5b9a\u5411\u5230\u9876\u7ea7 DNS \u670d\u52a1\u5668\u8fdb\u884c\u54cd\u5e94\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\u82e5\u4e0d\u5b58\u5728\u7f13\u5b58\uff0c\u90a3\u4e48\u67e5\u8be2\u8def\u5f84\u5c06\u4f1a\u662f\uff1a<\/p>\n<p>\u672c\u5730 DNS \u670d\u52a1\u5668 -&gt; \u6839 DNS \u670d\u52a1\u5668 -&gt; \u9876\u7ea7 DNS \u670d\u52a1\u5668 -&gt; \u6743\u5a01 DNS \u670d\u52a1\u5668 -&gt; \u672c\u5730 DNS \u670d\u52a1\u5668<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528dig +trace \u6765\u89c2\u5bdf\u8fd9\u4e2a\u5177\u4f53\u7684\u6d41\u7a0b<\/p>\n<p>\u6211\u4eec\u6765\u5177\u4f53\u8bf4\u8bf4dig \u7684\u4f5c\u7528\uff0cdig \u53ef\u4ee5\u901a\u8fc7\u67e5\u8be2\u9009\u9879\u6765\u663e\u793a\u6211\u4eec\u5177\u4f53\u7684\u5185\u5bb9\uff0c+noall +answer \u53ef\u4ee5\u7528\u6765\u4ec5\u663e\u793a\u5e94\u7b54\u90e8\u5206<\/p>\n<p>\u4f8b\u5982\u6211\u4eec<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">dig +nocmd maoyulong.club +noall +answer\n<\/code><\/pre>\n<p>\u6211\u4eec\u4f1a\u5f97\u5230<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">maoyulong.club.         30      IN      A       124.222.204.174\n<\/code><\/pre>\n<p>\u5982\u4e0b\u4fe1\u606f\uff0c\u56e0\u4e3a\u9ed8\u8ba4\u4f1a\u505aA\u89e3\u6790\uff0c\u5982\u679c\u6211\u4eec\u9700\u8981\u5176\u4ed6\u7684\uff0c\u4f8b\u5982NS\u7684\u89e3\u6790\uff0c\u6211\u4eec\u53ef\u4ee5<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">dig +nocmd maoyulong.club NS +noall +answer\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u65f6\u5019\u5c31\u4f1a\u663e\u793amaoyulong.club. \u5bf9\u5e94\u7684\u57df\u540d\u89e3\u6790\u670d\u52a1\u5668\u7684\u57df\u540d<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">maoyulong.club.         30      IN      NS      f1g1ns2.dnspod.net.\nmaoyulong.club.         30      IN      NS      f1g1ns1.dnspod.net.\n<\/code><\/pre>\n<p>\u5982\u679c\u7ee7\u7eed\u67e5\u8be2f1g1ns2.dnspod.net.\u4f1a\u8fd4\u56deSOA\u8bb0\u5f55\uff0cSOA\u53eb\u505a\u8d77\u59cb\u6388\u6743\u673a\u6784\u8bb0\u5f55\uff0cNS\u7528\u4e8e\u6807\u8bc6\u591a\u53f0\u57df\u540d\u89e3\u6790\u670d\u52a1\u5668\uff0cSOA\u8bb0\u5f55\u7528\u4e8e\u5728\u4f17\u591aNS\u8bb0\u5f55\u4e2d\u6807\u8bb0\u54ea\u4e00\u53f0\u662f\u4e3b\u670d\u52a1\u5668<\/p>\n<p>\u5bf9\u4e3b\u670d\u52a1\u5668\u7684\u57df\u540d\u8fdb\u884cNS\u67e5\u8be2\u4f1a\u53d1\u73b0\u5b83\u4f1a\u6302\u5728.net\u7684\u89e3\u6790\u4e0a\u9762<\/p>\n<p>\u5f53\u7136\u8fd9\u5c31\u6709\u4e9b\u5957\u5a03\u4e86\uff0c\u4f46\u5f53\u6211\u4eec\u6307\u5b9a\u5bf9club\u8fdb\u884cmaoyulong.club\u7684NS\u67e5\u8be2\u7684\u7ed3\u679c\u548c\u4e0a\u8ff0\u662f\u65e0\u8bef\u7684<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">dig @ns1.dns.nic.club maoyulong.club NS\n<\/code><\/pre>\n<p>\u8fd9\u6837\u53ef\u4ee5\u6307\u5b9a\u57df\u540d\u670d\u52a1\u5668\uff0c\u53ea\u662f\u80f6\u6c34\u8bb0\u5f55\u6309\u6211\u4eec\u7684\u5e38\u7406\u5e76\u4e0d\u662f\u6302\u5728.club\u4e0a\u9762\uff0c\u800c\u662f.net\u4e0a\u9762<\/p>\n<p>\u800ctrace\u9009\u9879\uff0c\u5219\u53ef\u4ee5\u4ece\u6839\u670d\u52a1\u5668\u5b8c\u6574\u7684\u8ffd\u8e2a\u8fd9\u4e2a\u8fc7\u7a0b<\/p>\n<p>\u9996\u5148\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u521a\u521a\u7684NS\u89e3\u6790\u4e0a\u9762\u7684\u4e00\u4e9b\u57df\u540d\u540e\u9762\u4e5f\u8ddf\u4e86\u4e00\u4e2a. \u8fd9\u4e0d\u662f\u4ec0\u4e48\u53e5\u53f7\uff0c\u800c\u662f\u6839\u57df\u540d\uff0c\u6211\u4eec\u5bf9\u8fd9\u4e2a\u57df\u540d\u8fdb\u884c\u67e5\u8be2\u7684\u8bdd<\/p>\n<pre><code class=\"language-shell\" lang=\"shell\">root@ubuntu-0:\/# dig +nocmd . NS +short\ng.root-servers.net.\nh.root-servers.net.\ni.root-servers.net.\nj.root-servers.net.\nk.root-servers.net.\nl.root-servers.net.\nm.root-servers.net.\na.root-servers.net.\nb.root-servers.net.\nc.root-servers.net.\nd.root-servers.net.\ne.root-servers.net.\nf.root-servers.net.\n<\/code><\/pre>\n<p>\u4fbf\u4f1a\u5f97\u5012\u8fd913\u4e2a\u6839\u57df\u540d\u670d\u52a1\u5668\uff0c\u5f53\u7136\u8fd9\u4e5f\u53ea\u662f\u903b\u8f91\u4e0a\u768413\u4e2a<\/p>\n<p>\u8fd9\u5f97\u76ca\u4e8eanycast\u6280\u672f\uff0c\u4f7f\u5f97\u4e00\u4e2aip\u53ef\u4ee5\u5bf9\u5e94\u591a\u4e2a\u670d\u52a1\u5668\uff0c\u901a\u5e38\u7531\u5730\u7406\u4f4d\u7f6e\u6700\u8fd1\u7684\u4e00\u53f0\u63d0\u4f9b\u76f8\u5e94\uff0c\u8fd9\u6837\u6765\u51cf\u5c11\u5ef6\u8fdf\u548c\u589e\u52a0DDoS\u9632\u62a4<\/p>\n<p>\u5177\u4f53\u53ef\u4ee5\u770b\uff1a<\/p>\n<p><a href=\"https:\/\/www.cloudflare.com\/zh-cn\/learning\/dns\/what-is-anycast-dns\/\" target=\"_blank\"  rel=\"nofollow\" >\u4ec0\u4e48\u662f Anycast DNS\uff1f| Anycast \u5982\u4f55\u4e0e DNS \u914d\u5408 | Cloudflare<\/a><\/p>\n<p>\u5728\u6b64\u5c31\u4e0d\u591a\u8d58\u8ff0\u4e86<\/p>\n<p>\u90a3\u4e48\u6211\u4eec\u8f93\u5165trace\u4e4b\u540e<\/p>\n<pre><code>dig +nocmd maoyulong.club +trace\n<\/code><\/pre>\n<p>\u5f53\u7136\u8fd9\u4e2a\u7ed3\u679c\u662f\u975e\u5e38\u5197\u957f\u7684\uff0c\u5982\u679c\u4e0d\u52a0short\u7684\u8bdd\uff0c\u4e5f\u975e\u5e38\u7684\u7b26\u5408\u6211\u4eec\u7684\u9884\u671f\uff1a<\/p>\n<p>\u4ed6\u8bf7\u6c42\u4e86\u6839\uff0c\u8bf7\u6c42\u4e86club\u7684\u670d\u52a1\u5668\uff0c\u8bf7\u6c42\u4e86maoyulong.club\u7684\u6743\u5a01\u670d\u52a1\u5668<\/p>\n<p>\u4f46\u662f\u6211\u4eec\u4e5f\u770b\u5230\u4e86\u4e00\u4e9b\u4e0d\u4e00\u6837\u7684\u8bb0\u5f55\uff0c\u4f8b\u5982DS\uff0cRRSIG\uff0cNSEC3\u7b49\u8bb0\u5f55\u3002\u8fd9\u4e9b\u4e5f\u8ba9\u6211\u53bb\u5c1d\u8bd5\u4e86\u89e3\u4e86\u4e00\u4e9bDNSSEC\u76f8\u5173\u7684\u5185\u5bb9\u3002DNSSEC\uff08DNS Security Extension\uff09----DNS\u5b89\u5168\u6269\u5c55\uff0c\u4e3b\u8981\u662f\u4e3a\u4e86\u89e3\u51b3DNS\u6b3a\u9a97\u548c\u7f13\u5b58\u6c61\u67d3\u95ee\u9898\u800c\u8bbe\u8ba1\u7684\u4e00\u79cd\u5b89\u5168\u673a\u5236\u3002<\/p>\n<p>\u5728\u6211\u4eec\u4e0a\u8ff0\u6574\u4e2a\u67e5\u8be2\u8fc7\u7a0b\u4e2d\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5047\u5192\u4efb\u4f55\u4e00\u4e2a\u5e94\u7b54\u65b9\u7ed9\u8bf7\u6c42\u65b9\u53d1\u9001\u4e00\u4e2a\u4f2a\u9020\u7684\u54cd\u5e94<\/p>\n<p>\u7531\u4e8eDNS\u5f53\u4e2d\u5b58\u5728\u7740\u7f13\u5b58\uff0c\u8fd9\u79cd\u9519\u8bef\u7684\u8bb0\u5f55\u5c06\u968f\u7740\u653b\u51fb\u8005\u8bbe\u5b9a\u7684TTL\u8fdb\u884c\u5b58\u6d3b\u7f13\u5b58\uff0c\u5982\u679c\u662f\u9012\u5f52\u670d\u52a1\u5668\u53d7\u5230DNS\u6b3a\u9a97\u90a3\u5c06\u4f1a\u5bfc\u81f4\u81ea\u8eab\u4ee5\u53ca\u5927\u9762\u79ef\u7684\u5ba2\u6237\u7aef\u7f13\u5b58\u4e86\u9519\u8bef\u7684\u89e3\u6790\u8bb0\u5f55\u3002DNSSEC\u7684\u6574\u4e2a\u673a\u5236\uff0c\u4e4b\u540e\u5e0c\u671b\u6709\u65f6\u95f4\u80fd\u5b9e\u9a8c\u4e00\u904d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u7528\u6237\u4ece\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165\u7f51\u7ad9\u57df\u540d\u5e76\u5c55\u73b0\u51fa\u7f51\u9875\u5185\u5bb9\u65f6\uff0c\u57df\u540d\u89e3\u6790\u8fc7\u7a0b\u4f1a\u6d89\u53ca\u4ee5\u4e0b4\u4e2aDNS\u670d\u52a1\u5668\uff1a DNS \u670d\u52a1\u5668\u540d\u79f0 \u8bf4\u660e \u672c\u5730 &#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-34","post","type-post","status-publish","format-standard","hentry","category-6"],"_links":{"self":[{"href":"https:\/\/blog.maoyulong.club\/index.php?rest_route=\/wp\/v2\/posts\/34","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.maoyulong.club\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.maoyulong.club\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.maoyulong.club\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.maoyulong.club\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=34"}],"version-history":[{"count":1,"href":"https:\/\/blog.maoyulong.club\/index.php?rest_route=\/wp\/v2\/posts\/34\/revisions"}],"predecessor-version":[{"id":35,"href":"https:\/\/blog.maoyulong.club\/index.php?rest_route=\/wp\/v2\/posts\/34\/revisions\/35"}],"wp:attachment":[{"href":"https:\/\/blog.maoyulong.club\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=34"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.maoyulong.club\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=34"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.maoyulong.club\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=34"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}