{"id":699,"date":"2025-12-09T18:54:06","date_gmt":"2025-12-09T10:54:06","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=699"},"modified":"2025-12-09T18:54:06","modified_gmt":"2025-12-09T10:54:06","slug":"%e5%9f%9f%e5%90%8d%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%8c%e6%9c%89%e4%bb%80%e4%b9%88%e7%94%a8%ef%bc%8cdns%e6%80%8e%e4%b9%88%e5%b7%a5%e4%bd%9c%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2025\/12\/09\/%e5%9f%9f%e5%90%8d%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%8c%e6%9c%89%e4%bb%80%e4%b9%88%e7%94%a8%ef%bc%8cdns%e6%80%8e%e4%b9%88%e5%b7%a5%e4%bd%9c%e7%9a%84%ef%bc%9f\/","title":{"rendered":"\u57df\u540d\u662f\u4ec0\u4e48\uff0c\u6709\u4ec0\u4e48\u7528\uff0cDNS\u600e\u4e48\u5de5\u4f5c\u7684\uff1f"},"content":{"rendered":"\n<p>\u4e0b\u9762\u7ed9\u4f60\u6574\u7406\u4e00\u7bc7 <strong>\u300a\u57df\u540d\u3001\u4f5c\u7528\u4e0e DNS \u5de5\u4f5c\u539f\u7406\u8be6\u89e3\u300b<\/strong>\uff0c\u4ece\u57fa\u7840\u6982\u5ff5\u5230\u5de5\u4f5c\u6d41\u7a0b\uff0c\u9002\u5408\u5c0f\u79d1\u666e\u6216\u5165\u95e8\u7406\u89e3\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\u4e00\u3001\u57df\u540d\u662f\u4ec0\u4e48\uff1f<\/strong><\/h1>\n\n\n\n<p><strong>\u57df\u540d\uff08Domain Name\uff09<\/strong> \u662f\u4e92\u8054\u7f51\u4e0a\u7528\u4e8e\u6807\u8bc6\u7f51\u7ad9\u6216\u7f51\u7edc\u8d44\u6e90\u7684 <strong>\u53ef\u8bfb\u6587\u672c\u5730\u5740<\/strong>\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f62\u8c61\u7406\u89e3\uff1a\u57df\u540d\u5c31\u50cf\u7f51\u7ad9\u7684\u201c\u95e8\u724c\u53f7\u201d\u6216\u201c\u7535\u8bdd\u53f7\u7801\u201d\uff0c\u65b9\u4fbf\u4eba\u8bb0\u5fc6\u548c\u8bbf\u95ee<\/li>\n\n\n\n<li>\u4f8b\u5b50\uff1a\n<ul class=\"wp-block-list\">\n<li><code>www.example.com<\/code><\/li>\n\n\n\n<li><code>baidu.com<\/code><\/li>\n\n\n\n<li><code>github.com<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>\u57df\u540d\u7ec4\u6210\u7ed3\u6784\uff1a<\/strong><\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nwww.example.com\n|   |      |\n\u5b50\u57df\u540d \u4e3b\u57df\u540d \u9876\u7ea7\u57df\u540d\n\n<\/pre><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9876\u7ea7\u57df\u540d\uff08TLD\uff09<\/strong>\uff1a\u5982 <code>.com<\/code>\u3001<code>.cn<\/code>\u3001<code>.org<\/code><\/li>\n\n\n\n<li><strong>\u4e3b\u57df\u540d<\/strong>\uff1a\u7f51\u7ad9\u4e3b\u4f53\u540d\u79f0\uff0c\u5982 <code>example<\/code><\/li>\n\n\n\n<li><strong>\u5b50\u57df\u540d<\/strong>\uff1a\u53ef\u9009\uff0c\u7528\u4e8e\u533a\u5206\u4e0d\u540c\u670d\u52a1\uff0c\u5982 <code>www<\/code>\u3001<code>blog<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\u4e8c\u3001\u57df\u540d\u6709\u4ec0\u4e48\u7528\uff1f<\/strong><\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u65b9\u4fbf\u8bb0\u5fc6<\/strong>\n<ul class=\"wp-block-list\">\n<li>IP \u5730\u5740\uff08\u5982 192.168.1.1\uff09\u96be\u8bb0\uff0c\u57df\u540d\u66f4\u76f4\u89c2<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7edf\u4e00\u5165\u53e3<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u540c\u4e00\u57df\u540d\u53ef\u4ee5\u6307\u5411\u4e0d\u540c\u670d\u52a1\u5668\uff0c\u901a\u8fc7 DNS \u52a8\u6001\u89e3\u6790<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u54c1\u724c\u4e0e\u63a8\u5e7f<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u57df\u540d\u662f\u7f51\u7ad9\u54c1\u724c\u6807\u8bc6\uff0c\u6709\u52a9\u4e8e\u4f20\u64ad\u548cSEO<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u90ae\u4ef6\u548c\u670d\u52a1\u7ba1\u7406<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u57df\u540d\u53ef\u7ed1\u5b9a\u90ae\u7bb1\uff08\u5982 <code>@example.com<\/code>\uff09\u548c\u5b50\u670d\u52a1<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\u4e09\u3001DNS\uff08Domain Name System\uff09\u662f\u4ec0\u4e48\uff1f<\/strong><\/h1>\n\n\n\n<p><strong>DNS\uff08\u57df\u540d\u7cfb\u7edf\uff09<\/strong> \u662f\u4e92\u8054\u7f51\u7684\u4e00\u79cd\u670d\u52a1\uff0c\u7528\u4e8e <strong>\u5c06\u57df\u540d\u89e3\u6790\u6210 IP \u5730\u5740<\/strong>\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f5c\u7528\uff1a\u628a\u7528\u6237\u8f93\u5165\u7684\u57df\u540d\u8f6c\u6362\u4e3a\u670d\u52a1\u5668\u80fd\u8bc6\u522b\u7684 IP \u5730\u5740<\/li>\n\n\n\n<li>\u5f62\u8c61\u7406\u89e3\uff1aDNS \u5c31\u50cf <strong>\u201c\u7535\u8bdd\u7c3f\u201d<\/strong>\uff0c\u57df\u540d\u662f\u59d3\u540d\uff0cIP \u662f\u7535\u8bdd\u53f7\u7801<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\u56db\u3001DNS \u5de5\u4f5c\u539f\u7406<\/strong><\/h1>\n\n\n\n<p>DNS \u67e5\u8be2\u8fc7\u7a0b\u53ef\u4ee5\u5206\u4e3a\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7528\u6237\u8f93\u5165\u57df\u540d<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u6d4f\u89c8\u5668\u8f93\u5165 <code>www.example.com<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u672c\u5730\u7f13\u5b58\u68c0\u67e5<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u64cd\u4f5c\u7cfb\u7edf\u6216\u6d4f\u89c8\u5668\u4f1a\u5148\u68c0\u67e5\u672c\u5730 DNS \u7f13\u5b58<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u672c\u5730\u57df\u540d\u670d\u52a1\u5668\u67e5\u8be2<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u672c\u5730\u6ca1\u6709\u7f13\u5b58\uff0c\u8bf7\u6c42\u4f1a\u53d1\u7ed9 ISP \u63d0\u4f9b\u7684 <strong>\u9012\u5f52 DNS \u670d\u52a1\u5668<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u9012\u5f52\u67e5\u8be2\u9876\u7ea7\u57df\u540d\u670d\u52a1\u5668\uff08TLD\uff09<\/strong>\n<ul class=\"wp-block-list\">\n<li>DNS \u670d\u52a1\u5668\u627e <code>.com<\/code> \u7684\u6743\u5a01\u670d\u52a1\u5668<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u67e5\u8be2\u6743\u5a01\u57df\u540d\u670d\u52a1\u5668<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5f97\u5230 <code>example.com<\/code> \u7684 IP \u5730\u5740<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u8fd4\u56de\u89e3\u6790\u7ed3\u679c<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u9012\u5f52 DNS \u8fd4\u56de IP \u7ed9\u7528\u6237\u7535\u8111<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6d4f\u89c8\u5668\u8bbf\u95ee\u670d\u52a1\u5668<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u8fd4\u56de\u7684 IP \u5730\u5740\u53d1\u9001 HTTP\/HTTPS \u8bf7\u6c42<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><strong>\u6d41\u7a0b\u56fe\u793a\u610f<\/strong>\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n\u6d4f\u89c8\u5668 -&gt; \u672c\u5730\u7f13\u5b58 -&gt; ISP DNS -&gt; TLD DNS -&gt; \u6743\u5a01 DNS -&gt; \u8fd4\u56de IP -&gt; \u6d4f\u89c8\u5668\u8bbf\u95ee\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\u4e94\u3001DNS \u89e3\u6790\u7c7b\u578b<\/strong><\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6b63\u5411\u89e3\u6790<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u57df\u540d \u2192 IP \u5730\u5740<\/li>\n\n\n\n<li>\u8bbf\u95ee\u7f51\u9875\u65f6\u5e38\u7528<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u53cd\u5411\u89e3\u6790<\/strong>\n<ul class=\"wp-block-list\">\n<li>IP \u5730\u5740 \u2192 \u57df\u540d<\/li>\n\n\n\n<li>\u65e5\u5fd7\u5206\u6790\u6216\u5b89\u5168\u68c0\u6d4b\u4f7f\u7528<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\u516d\u3001\u5e38\u89c1 DNS \u8bb0\u5f55\u7c7b\u578b<\/strong><\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7c7b\u578b<\/th><th>\u4f5c\u7528<\/th><\/tr><\/thead><tbody><tr><td>A<\/td><td>IPv4 \u5730\u5740\u6620\u5c04<\/td><\/tr><tr><td>AAAA<\/td><td>IPv6 \u5730\u5740\u6620\u5c04<\/td><\/tr><tr><td>CNAME<\/td><td>\u57df\u540d\u522b\u540d<\/td><\/tr><tr><td>MX<\/td><td>\u90ae\u4ef6\u4ea4\u6362\u8bb0\u5f55<\/td><\/tr><tr><td>NS<\/td><td>\u6307\u5b9a\u57df\u540d\u670d\u52a1\u5668<\/td><\/tr><tr><td>TXT<\/td><td>\u6587\u672c\u4fe1\u606f\u3001SPF \u7b49<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\u4e03\u3001\u57df\u540d\u4e0e IP\u3001DNS \u5173\u7cfb\u603b\u7ed3<\/strong><\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u57df\u540d<\/strong>\uff1a\u4eba\u7c7b\u53ef\u8bfb\u5730\u5740\uff0c\u4fbf\u4e8e\u8bb0\u5fc6\u548c\u7ba1\u7406<\/li>\n\n\n\n<li><strong>IP \u5730\u5740<\/strong>\uff1a\u670d\u52a1\u5668\u53ef\u8bc6\u522b\u7684\u6570\u5b57\u5730\u5740<\/li>\n\n\n\n<li><strong>DNS<\/strong>\uff1a\u6865\u6881\uff0c\u5c06\u57df\u540d\u89e3\u6790\u4e3a IP\uff0c\u8ba9\u6d4f\u89c8\u5668\u80fd\u8bbf\u95ee\u76ee\u6807\u670d\u52a1\u5668<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\u516b\u3001\u5ef6\u4f38\u77e5\u8bc6<\/strong><\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u57df\u540d\u6ce8\u518c<\/strong>\uff1a\u9700\u8981\u5411\u57df\u540d\u6ce8\u518c\u5546\u7533\u8bf7\u5e76\u5907\u6848\uff08\u90e8\u5206\u56fd\u5bb6\u9700\u8981\uff09<\/li>\n\n\n\n<li><strong>CDN \u4e0e DNS<\/strong>\uff1aCDN \u53ef\u914d\u5408 DNS \u52a8\u6001\u8fd4\u56de\u6700\u8fd1\u8282\u70b9 IP\uff0c\u63d0\u9ad8\u8bbf\u95ee\u901f\u5ea6<\/li>\n\n\n\n<li><strong>\u7f13\u5b58\u673a\u5236<\/strong>\uff1aDNS \u89e3\u6790\u7ed3\u679c\u4f1a\u7f13\u5b58\u4e00\u6bb5\u65f6\u95f4\uff08TTL\uff09\uff0c\u51cf\u5c11\u91cd\u590d\u67e5\u8be2<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0b\u9762\u7ed9\u4f60\u6574\u7406\u4e00\u7bc7 \u300a\u57df\u540d\u3001\u4f5c\u7528\u4e0e DNS \u5de5\u4f5c\u539f\u7406\u8be6\u89e3\u300b\uff0c\u4ece\u57fa\u7840\u6982\u5ff5\u5230\u5de5\u4f5c\u6d41\u7a0b\uff0c&#8230; 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