{"id":98,"date":"2025-10-17T14:55:44","date_gmt":"2025-10-17T06:55:44","guid":{"rendered":"https:\/\/www.hanyuxin.cn\/?p=98"},"modified":"2025-10-17T14:55:44","modified_gmt":"2025-10-17T06:55:44","slug":"dns%e8%a7%a3%e6%9e%90%e5%85%a8%e8%a7%a3%e6%9e%90%ef%bc%9a%e4%bb%8e%e5%9f%ba%e7%a1%80%e5%8e%9f%e7%90%86%e5%88%b0%e8%87%aa%e5%bb%bans%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%9e%e6%88%98%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.hanyuxin.cn\/?p=98","title":{"rendered":"DNS\u89e3\u6790\u5168\u89e3\u6790\uff1a\u4ece\u57fa\u7840\u539f\u7406\u5230\u81ea\u5efaNS\u670d\u52a1\u5668\u5b9e\u6218\u6307\u5357"},"content":{"rendered":"<p>\u5728\u5f53\u4eca\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u4e92\u8054\u7f51\u5df2\u6210\u4e3a\u4eba\u4eec\u751f\u6d3b\u3001\u5de5\u4f5c\u548c\u5b66\u4e60\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u65e0\u8bba\u662f\u8bbf\u95ee\u4e00\u4e2a\u7f51\u7ad9\u3001\u53d1\u9001\u4e00\u5c01\u90ae\u4ef6\uff0c\u8fd8\u662f\u4f7f\u7528\u5728\u7ebf\u670d\u52a1\uff0c\u80cc\u540e\u90fd\u79bb\u4e0d\u5f00\u4e00\u9879\u5173\u952e\u6280\u672f\u2014\u2014<strong>DNS\uff08Domain Name System\uff0c\u57df\u540d\u7cfb\u7edf\uff09<\/strong>\u3002\u5b83\u5c31\u50cf\u4e92\u8054\u7f51\u7684\u201c\u7535\u8bdd\u7c3f\u201d\uff0c\u5c06\u4eba\u7c7b\u53ef\u8bfb\u7684\u57df\u540d\uff08\u5982 <code>www.example.com<\/code>\uff09\u8f6c\u6362\u4e3a\u8ba1\u7b97\u673a\u53ef\u4ee5\u8bc6\u522b\u7684IP\u5730\u5740\uff08\u5982 <code>192.0.2.1<\/code>\uff09\uff0c\u4ece\u800c\u5b9e\u73b0\u7f51\u7edc\u901a\u4fe1\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5c3d\u7ba1DNS\u770b\u4f3c\u7b80\u5355\uff0c\u5176\u80cc\u540e\u5374\u8574\u542b\u7740\u590d\u6742\u7684\u67b6\u6784\u8bbe\u8ba1\u4e0e\u8fd0\u884c\u673a\u5236\u3002\u5bf9\u4e8e\u666e\u901a\u7528\u6237\u800c\u8a00\uff0cDNS\u53ef\u80fd\u53ea\u662f\u4e00\u4e2a\u900f\u660e\u7684\u5b58\u5728\uff1b\u4f46\u5bf9\u4e8eIT\u4ece\u4e1a\u8005\u3001\u7f51\u7ad9\u7ba1\u7406\u5458\u6216\u4f01\u4e1a\u6280\u672f\u8d1f\u8d23\u4eba\u6765\u8bf4\uff0c\u7406\u89e3DNS\u7684\u5de5\u4f5c\u539f\u7406\u3001\u638c\u63e1DNS\u670d\u52a1\u5668\u7684\u914d\u7f6e\u65b9\u6cd5\uff0c\u751a\u81f3\u642d\u5efa\u81ea\u5df1\u7684<em>NS\u670d\u52a1\u5668<\/em>\uff08Name Server\uff09\uff0c\u5df2\u7ecf\u6210\u4e3a\u4e00\u9879\u6838\u5fc3\u6280\u80fd\u3002<\/p>\n<p>\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8DNS\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u8be6\u7ec6\u4ecb\u7ecdDNS\u89e3\u6790\u6d41\u7a0b\u3001\u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848\uff0c\u5e76\u91cd\u70b9\u8bb2\u89e3\u5982\u4f55\u81ea\u5efaNS\u670d\u52a1\u5668\uff0c\u5e2e\u52a9\u8bfb\u8005\u4ece\u7406\u8bba\u8d70\u5411\u5b9e\u8df5\uff0c\u771f\u6b63\u638c\u63a7\u57df\u540d\u89e3\u6790\u7684\u4e3b\u52a8\u6743\u3002\u65e0\u8bba\u4f60\u662f\u521d\u5b66\u8005\u8fd8\u662f\u6709\u4e00\u5b9a\u7ecf\u9a8c\u7684\u6280\u672f\u4eba\u5458\uff0c\u8fd9\u7bc7\u6587\u7ae0\u90fd\u5c06\u4e3a\u4f60\u63d0\u4f9b\u4e00\u4efd\u5168\u9762\u3001\u5b9e\u7528\u4e14\u5177\u6709\u524d\u77bb\u6027\u7684DNS\u77e5\u8bc6\u6307\u5357\u3002<\/p>\n<h2>\u4e00\u3001DNS\u662f\u4ec0\u4e48\uff1f\u4e3a\u4ec0\u4e48\u5b83\u5982\u6b64\u91cd\u8981\uff1f<\/h2>\n<p><strong>DNS\uff08Domain Name System\uff09<\/strong>\u662f\u4e00\u79cd\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u7cfb\u7edf\uff0c\u7528\u4e8e\u5c06\u6613\u4e8e\u8bb0\u5fc6\u7684\u57df\u540d\u6620\u5c04\u5230\u5bf9\u5e94\u7684IP\u5730\u5740\u3002\u5982\u679c\u6ca1\u6709DNS\uff0c\u6211\u4eec\u53ea\u80fd\u901a\u8fc7IP\u5730\u5740\u6765\u8bbf\u95ee\u7f51\u7ad9\uff0c\u8fd9\u4e0d\u4ec5\u4e0d\u65b9\u4fbf\uff0c\u4e5f\u96be\u4ee5\u7ba1\u7406\u3002\u4f8b\u5982\uff0c\u5f53\u4f60\u5728\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165 <code>www.baidu.com<\/code> \u65f6\uff0c\u4f60\u7684\u8bbe\u5907\u4f1a\u5411DNS\u670d\u52a1\u5668\u53d1\u8d77\u67e5\u8be2\u8bf7\u6c42\uff0c\u83b7\u53d6\u8be5\u57df\u540d\u5bf9\u5e94\u7684IP\u5730\u5740\uff0c\u7136\u540e\u624d\u80fd\u5efa\u7acb\u8fde\u63a5\u5e76\u52a0\u8f7d\u7f51\u9875\u5185\u5bb9\u3002<\/p>\n<p>DNS\u7684\u91cd\u8981\u6027\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u63d0\u5347\u7528\u6237\u4f53\u9a8c<\/strong>\uff1a\u7528\u6237\u65e0\u9700\u8bb0\u4f4f\u590d\u6742\u7684IP\u5730\u5740\uff0c\u53ea\u9700\u8f93\u5165\u7b80\u6d01\u7684\u57df\u540d\u5373\u53ef\u8bbf\u95ee\u8d44\u6e90\u3002<\/li>\n<li><strong>\u589e\u5f3a\u7f51\u7edc\u7075\u6d3b\u6027<\/strong>\uff1a\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539DNS\u8bb0\u5f55\u5feb\u901f\u5207\u6362\u670d\u52a1\u5668\u4f4d\u7f6e\u6216\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\uff0c\u800c\u65e0\u9700\u66f4\u6539\u5ba2\u6237\u7aef\u914d\u7f6e\u3002<\/li>\n<li><strong>\u4fdd\u969c\u670d\u52a1\u53ef\u7528\u6027<\/strong>\uff1a\u901a\u8fc7\u591a\u7ea7\u7f13\u5b58\u673a\u5236\u548c\u5197\u4f59\u8bbe\u8ba1\uff0cDNS\u5177\u5907\u9ad8\u53ef\u7528\u6027\u548c\u5bb9\u9519\u80fd\u529b\u3002<\/li>\n<li><strong>\u652f\u6301\u5168\u7403\u5316\u90e8\u7f72<\/strong>\uff1a\u5168\u7403\u8303\u56f4\u5185\u7684\u57df\u540d\u89e3\u6790\u7531\u591a\u4e2a\u6743\u5a01DNS\u670d\u52a1\u5668\u534f\u540c\u5b8c\u6210\uff0c\u786e\u4fdd\u8de8\u56fd\u8bbf\u95ee\u6548\u7387\u3002<\/li>\n<\/ul>\n<p>\u53ef\u4ee5\u8bf4\uff0cDNS\u662f\u4e92\u8054\u7f51\u57fa\u7840\u8bbe\u65bd\u4e2d\u6700\u5173\u952e\u7684\u4e00\u73af\u4e4b\u4e00\uff0c\u5b83\u7684\u7a33\u5b9a\u8fd0\u884c\u76f4\u63a5\u5f71\u54cd\u6574\u4e2a\u7f51\u7edc\u751f\u6001\u7684\u670d\u52a1\u8d28\u91cf\u3002<\/p>\n<h2>\u4e8c\u3001DNS\u7684\u57fa\u672c\u7ed3\u6784\u4e0e\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u8981\u7406\u89e3DNS\u7684\u529f\u80fd\uff0c\u9996\u5148\u8981\u4e86\u89e3\u5b83\u7684\u57fa\u672c\u7ec4\u6210\u7ed3\u6784\u3002\u4e00\u4e2a\u5b8c\u6574\u7684DNS\u4f53\u7cfb\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u51e0\u7c7b\u89d2\u8272\uff1a<\/p>\n<ol>\n<li><strong>\u672c\u5730DNS\u89e3\u6790\u5668\uff08Local Resolver\uff09<\/strong>\uff1a\u8fd9\u662f\u7528\u6237\u8bbe\u5907\u4e0a\u7684\u8f6f\u4ef6\u7ec4\u4ef6\uff0c\u8d1f\u8d23\u53d1\u8d77DNS\u67e5\u8be2\u8bf7\u6c42\u3002\u4f8b\u5982Windows\u7cfb\u7edf\u7684<code>dnscache<\/code>\u670d\u52a1\u3001Linux\u4e0b\u7684<code>systemd-resolved<\/code>\u7b49\u3002<\/li>\n<li><strong>DNS\u670d\u52a1\u5668\uff08DNS Server\uff09<\/strong>\uff1a\u5206\u4e3a\u9012\u5f52\u89e3\u6790\u670d\u52a1\u5668\uff08Recursive Resolver\uff09\u548c\u6743\u5a01\u89e3\u6790\u670d\u52a1\u5668\uff08Authoritative Server\uff09\u3002\u524d\u8005\u63a5\u6536\u7528\u6237\u7684\u67e5\u8be2\u8bf7\u6c42\u5e76\u4ee3\u4e3a\u67e5\u627e\u7ed3\u679c\uff0c\u540e\u8005\u5b58\u50a8\u7279\u5b9a\u57df\u540d\u7684\u8bb0\u5f55\u4fe1\u606f\u3002<\/li>\n<li><strong>\u6839\u57df\u540d\u670d\u52a1\u5668\uff08Root Name Server\uff09<\/strong>\uff1a\u4f4d\u4e8eDNS\u5c42\u6b21\u7ed3\u6784\u7684\u9876\u7aef\uff0c\u5171\u670913\u7ec4\uff08\u5b9e\u9645\u6570\u91cf\u66f4\u591a\uff09\uff0c\u5b83\u4eec\u4e0d\u76f4\u63a5\u63d0\u4f9b\u5177\u4f53\u57df\u540d\u7684IP\u5730\u5740\uff0c\u800c\u662f\u6307\u5f15\u4e0b\u4e00\u7ea7\u670d\u52a1\u5668\u7684\u4f4d\u7f6e\u3002<\/li>\n<li><strong>\u9876\u7ea7\u57df\uff08TLD\uff09\u670d\u52a1\u5668<\/strong>\uff1a\u5982.com\u3001.org\u3001.cn\u7b49\u540e\u7f00\u5bf9\u5e94\u7684\u670d\u52a1\u5668\uff0c\u8d1f\u8d23\u56de\u7b54\u5173\u4e8e\u8fd9\u4e9b\u9876\u7ea7\u57df\u4e0b\u57df\u540d\u7684\u4fe1\u606f\u3002<\/li>\n<li><strong>\u6743\u5a01NS\u670d\u52a1\u5668\uff08Authoritative NS Server\uff09<\/strong>\uff1a\u5373\u6211\u4eec\u5e38\u8bf4\u7684<em>\u57df\u540dNS\u670d\u52a1\u5668<\/em>\uff0c\u5b83\u4fdd\u5b58\u67d0\u4e2a\u57df\u540d\u7684\u6240\u6709\u8bb0\u5f55\uff08A\u8bb0\u5f55\u3001MX\u8bb0\u5f55\u3001CNAME\u8bb0\u5f55\u7b49\uff09\uff0c\u662f\u6700\u7ec8\u7684\u7b54\u6848\u6765\u6e90\u3002<\/li>\n<\/ol>\n<p>\u5178\u578b\u7684DNS\u67e5\u8be2\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u7528\u6237\u5728\u6d4f\u89c8\u5668\u8f93\u5165 <code>www.example.com<\/code>\uff0c\u64cd\u4f5c\u7cfb\u7edf\u8c03\u7528\u672c\u5730DNS\u89e3\u6790\u5668\u3002<\/li>\n<li>\u672c\u5730\u89e3\u6790\u5668\u9996\u5148\u68c0\u67e5\u672c\u5730\u7f13\u5b58\u662f\u5426\u6709\u8be5\u57df\u540d\u7684\u8bb0\u5f55\uff0c\u82e5\u6709\u5219\u76f4\u63a5\u8fd4\u56deIP\u5730\u5740\u3002<\/li>\n<li>\u82e5\u65e0\u7f13\u5b58\uff0c\u5219\u5411\u914d\u7f6e\u7684\u9012\u5f52DNS\u670d\u52a1\u5668\uff08\u5982\u963f\u91cc\u4e91DNS\u3001Google Public DNS\uff09\u53d1\u9001\u67e5\u8be2\u8bf7\u6c42\u3002<\/li>\n<li>\u9012\u5f52\u670d\u52a1\u5668\u5f00\u59cb\u9010\u7ea7\u67e5\u627e\uff1a\u5148\u8be2\u95ee\u6839\u670d\u52a1\u5668\uff0c\u6839\u670d\u52a1\u5668\u8fd4\u56de\u8d1f\u8d23.com\u7684TLD\u670d\u52a1\u5668\u5730\u5740\uff1b\u518d\u5411TLD\u670d\u52a1\u5668\u67e5\u8be2example.com\u7684\u4fe1\u606f\uff0cTLD\u670d\u52a1\u5668\u8fd4\u56de\u8be5\u57df\u540d\u7684\u6743\u5a01NS\u670d\u52a1\u5668\u5730\u5740\uff1b\u6700\u540e\u9012\u5f52\u670d\u52a1\u5668\u8054\u7cfb\u6743\u5a01NS\u670d\u52a1\u5668\u83b7\u53d6\u5177\u4f53\u7684IP\u5730\u5740\u3002<\/li>\n<li>\u9012\u5f52\u670d\u52a1\u5668\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9\u672c\u5730\u89e3\u6790\u5668\uff0c\u518d\u7531\u672c\u5730\u89e3\u6790\u5668\u4f20\u9012\u7ed9\u5e94\u7528\u7a0b\u5e8f\uff0c\u5b8c\u6210\u9875\u9762\u52a0\u8f7d\u3002<\/li>\n<\/ol>\n<p>\u6574\u4e2a\u8fc7\u7a0b\u867d\u7136\u770b\u4f3c\u590d\u6742\uff0c\u4f46\u73b0\u4ee3DNS\u7cfb\u7edf\u5df2\u7ecf\u9ad8\u5ea6\u4f18\u5316\uff0c\u5927\u591a\u6570\u67e5\u8be2\u53ef\u5728\u6beb\u79d2\u7ea7\u522b\u5b8c\u6210\u3002<\/p>\n<h2>\u4e09\u3001\u5e38\u89c1\u7684DNS\u95ee\u9898\u53ca\u5176\u6392\u67e5\u65b9\u6cd5<\/h2>\n<p>\u5c3d\u7ba1DNS\u6574\u4f53\u7a33\u5b9a\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u4ecd\u53ef\u80fd\u51fa\u73b0\u5404\u79cd\u95ee\u9898\uff0c\u5f71\u54cd\u7f51\u7ad9\u8bbf\u95ee\u901f\u5ea6\u751a\u81f3\u5bfc\u81f4\u65e0\u6cd5\u8bbf\u95ee\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u5178\u578b\u573a\u666f\u53ca\u5e94\u5bf9\u7b56\u7565\uff1a<\/p>\n<h3>1. \u57df\u540d\u89e3\u6790\u5931\u8d25\uff08NXDOMAIN\u9519\u8bef\uff09<\/h3>\n<p>\u5f53\u7528\u6237\u8bbf\u95ee\u67d0\u4e2a\u57df\u540d\u65f6\u63d0\u793a\u201c\u627e\u4e0d\u5230\u6b64\u7ad9\u70b9\u201d\u6216\u51fa\u73b0\u201cNXDOMAIN\u201d\u9519\u8bef\uff0c\u901a\u5e38\u8868\u793aDNS\u672a\u80fd\u627e\u5230\u8be5\u57df\u540d\u7684\u8bb0\u5f55\u3002\u53ef\u80fd\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u57df\u540d\u672a\u6b63\u786e\u6ce8\u518c\u6216\u5df2\u8fc7\u671f\u3002<\/li>\n<li>\u57df\u540d\u7684NS\u670d\u52a1\u5668\u914d\u7f6e\u9519\u8bef\uff0c\u6307\u5411\u4e86\u4e0d\u5b58\u5728\u6216\u65e0\u6548\u7684\u670d\u52a1\u5668\u3002<\/li>\n<li>\u6743\u5a01DNS\u670d\u52a1\u5668\u672a\u540c\u6b65\u66f4\u65b0\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<p><strong>\u89e3\u51b3\u65b9\u6cd5\uff1a<\/strong><\/p>\n<ol>\n<li>\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177 <code>dig +short www.example.com<\/code> \u6216 <code>nslookup www.example.com<\/code> \u68c0\u67e5\u5f53\u524dDNS\u89e3\u6790\u662f\u5426\u6b63\u5e38\u3002<\/li>\n<li>\u767b\u5f55\u57df\u540d\u6ce8\u518c\u5546\u540e\u53f0\uff0c\u786e\u8ba4NS\u670d\u52a1\u5668\u8bbe\u7f6e\u662f\u5426\u6307\u5411\u6b63\u786e\u7684\u6743\u5a01DNS\u670d\u52a1\u5546\uff08\u5982Cloudflare\u3001\u963f\u91cc\u4e91DNS\uff09\u3002<\/li>\n<li>\u5982\u679c\u4f7f\u7528\u81ea\u5efaNS\u670d\u52a1\u5668\uff0c\u9700\u786e\u4fdd\u5176\u5df2\u6b63\u786e\u914d\u7f6e\u5e76\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\u3002<\/li>\n<\/ol>\n<h3>2. \u89e3\u6790\u5ef6\u8fdf\u8fc7\u9ad8<\/h3>\n<p>\u6709\u4e9b\u7528\u6237\u53cd\u6620\u8bbf\u95ee\u67d0\u4e9b\u7f51\u7ad9\u7279\u522b\u6162\uff0c\u53ef\u80fd\u662f\u7531\u4e8eDNS\u89e3\u6790\u8017\u65f6\u8f83\u957f\u3002\u5e38\u89c1\u539f\u56e0\u6709\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7684\u516c\u5171DNS\u670d\u52a1\u5668\u54cd\u5e94\u6162\uff08\u5982\u9ed8\u8ba4ISP\u63d0\u4f9b\u7684DNS\uff09\u3002<\/li>\n<li>\u672c\u5730\u7f13\u5b58\u5931\u6548\uff0c\u9891\u7e41\u89e6\u53d1\u8fdc\u7a0b\u67e5\u8be2\u3002<\/li>\n<li>\u6743\u5a01NS\u670d\u52a1\u5668\u6027\u80fd\u4e0d\u8db3\u6216\u5730\u7406\u4f4d\u7f6e\u504f\u8fdc\u3002<\/li>\n<\/ul>\n<p><strong>\u4f18\u5316\u5efa\u8bae\uff1a<\/strong><\/p>\n<ol>\n<li>\u66f4\u6362\u4e3a\u9ad8\u6027\u80fd\u516c\u5171DNS\uff0c\u5982\u963f\u91cc\u4e91DNS\uff08223.5.5.5\uff09\u3001\u817e\u8bafDNS\uff08119.29.29.29\uff09\u3001Google DNS\uff088.8.8.8\uff09\u3002<\/li>\n<li>\u542f\u7528\u672c\u5730DNS\u7f13\u5b58\u673a\u5236\uff08\u5982Windows\u7684DNS Client\u670d\u52a1\uff09\u3002<\/li>\n<li>\u5982\u679c\u662f\u4f01\u4e1a\u7ea7\u5e94\u7528\uff0c\u8003\u8651\u90e8\u7f72\u79c1\u6709DNS\u670d\u52a1\u5668\u6216CDN\u8fb9\u7f18\u8282\u70b9\u52a0\u901f\u3002<\/li>\n<\/ol>\n<h3>3. DNS\u52ab\u6301\u4e0e\u6c61\u67d3<\/h3>\n<p>DNS\u52ab\u6301\u662f\u6307\u6076\u610f\u653b\u51fb\u8005\u7be1\u6539DNS\u89e3\u6790\u7ed3\u679c\uff0c\u5c06\u7528\u6237\u5f15\u5bfc\u81f3\u9493\u9c7c\u7f51\u7ad9\u6216\u5176\u4ed6\u975e\u6cd5\u9875\u9762\u3002\u8fd9\u79cd\u60c5\u51b5\u5728\u67d0\u4e9b\u5730\u533a\u8f83\u4e3a\u666e\u904d\uff0c\u5c24\u5176\u662f\u5728\u516c\u5171Wi-Fi\u73af\u5883\u4e0b\u3002<\/p>\n<p><strong>\u9632\u8303\u63aa\u65bd\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u652f\u6301DNSSEC\uff08DNS Security Extensions\uff09\u7684DNS\u670d\u52a1\uff0c\u9632\u6b62\u4e2d\u95f4\u4eba\u7be1\u6539\u8bb0\u5f55\u3002<\/li>\n<li>\u542f\u7528HTTPS\u534f\u8bae\uff0c\u5373\u4f7fDNS\u88ab\u52ab\u6301\uff0c\u4e5f\u80fd\u901a\u8fc7\u8bc1\u4e66\u9a8c\u8bc1\u670d\u52a1\u5668\u8eab\u4efd\u3002<\/li>\n<li>\u5b9a\u671f\u76d1\u63a7DNS\u65e5\u5fd7\uff0c\u53d1\u73b0\u5f02\u5e38\u8bb0\u5f55\u53ca\u65f6\u5904\u7406\u3002<\/li>\n<\/ul>\n<h2>\u56db\u3001\u5982\u4f55\u81ea\u5efaNS\u670d\u52a1\u5668\uff1f\u2014\u2014\u4ece\u96f6\u5f00\u59cb\u642d\u5efa\u6743\u5a01DNS\u670d\u52a1<\/h2>\n<p>\u5bf9\u4e8e\u62e5\u6709\u72ec\u7acb\u57df\u540d\u7684\u4f01\u4e1a\u6216\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u4ec5\u4ec5\u4f9d\u8d56\u7b2c\u4e09\u65b9DNS\u670d\u52a1\u5546\u53ef\u80fd\u4e0d\u591f\u7075\u6d3b\u3002\u6b64\u65f6\uff0c\u81ea\u5efaNS\u670d\u52a1\u5668\u6210\u4e3a\u4e00\u79cd\u66f4\u9ad8\u7ea7\u7684\u9009\u62e9\u3002\u901a\u8fc7\u642d\u5efa\u81ea\u5df1\u7684\u6743\u5a01NS\u670d\u52a1\u5668\uff0c\u4f60\u53ef\u4ee5\u5b8c\u5168\u63a7\u5236\u57df\u540d\u89e3\u6790\u89c4\u5219\uff0c\u5b9e\u73b0\u66f4\u9ad8\u7684\u5b89\u5168\u6027\u3001\u53ef\u63a7\u6027\u548c\u5b9a\u5236\u5316\u80fd\u529b\u3002<\/p>\n<h3>1. \u81ea\u5efaNS\u670d\u52a1\u5668\u7684\u4f18\u52bf<\/h3>\n<ul>\n<li><strong>\u81ea\u4e3b\u53ef\u63a7<\/strong>\uff1a\u4e0d\u518d\u53d7\u5236\u4e8e\u7b2c\u4e09\u65b9\u670d\u52a1\u5546\uff0c\u968f\u65f6\u8c03\u6574\u89e3\u6790\u7b56\u7565\u3002<\/li>\n<li><strong>\u9690\u79c1\u4fdd\u62a4<\/strong>\uff1a\u907f\u514d\u5c06\u654f\u611f\u57df\u540d\u6570\u636e\u66b4\u9732\u7ed9\u5916\u90e8\u5e73\u53f0\u3002<\/li>\n<li><strong>\u6210\u672c\u8282\u7ea6<\/strong>\uff1a\u957f\u671f\u6765\u770b\uff0c\u81ea\u5efaNS\u670d\u52a1\u5668\u6bd4\u6301\u7eed\u4ed8\u8d39\u4f7f\u7528\u5546\u4e1aDNS\u66f4\u7ecf\u6d4e\u3002<\/li>\n<li><strong>\u7075\u6d3b\u6269\u5c55<\/strong>\uff1a\u53ef\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u6dfb\u52a0\u81ea\u5b9a\u4e49\u8bb0\u5f55\u7c7b\u578b\uff08\u5982SRV\u3001TXT\u3001CAA\u7b49\uff09\u3002<\/li>\n<\/ul>\n<h3>2. \u51c6\u5907\u5de5\u4f5c\uff1a\u786c\u4ef6\u4e0e\u8f6f\u4ef6\u73af\u5883<\/h3>\n<p>\u81ea\u5efaNS\u670d\u52a1\u5668\u5e76\u4e0d\u9700\u8981\u9ad8\u7aef\u786c\u4ef6\uff0c\u4e00\u53f0\u666e\u901a\u7684Linux\u670d\u52a1\u5668\u5373\u53ef\u80dc\u4efb\u3002\u63a8\u8350\u914d\u7f6e\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u64cd\u4f5c\u7cfb\u7edf\uff1aUbuntu Server 20.04 \/ CentOS Stream 8+<\/li>\n<li>CPU\uff1a\u53cc\u6838\u53ca\u4ee5\u4e0a<\/li>\n<li>\u5185\u5b58\uff1a2GB\u4ee5\u4e0a<\/li>\n<li>\u786c\u76d8\uff1a\u81f3\u5c1120GB SSD\uff08\u7528\u4e8e\u65e5\u5fd7\u548c\u533a\u57df\u6587\u4ef6\uff09<\/li>\n<li>\u516c\u7f51IP\u5730\u5740\uff1a\u5fc5\u987b\u5177\u5907\u56fa\u5b9a\u516c\u7f51IP\uff0c\u5426\u5219\u65e0\u6cd5\u88ab\u5176\u4ed6DNS\u670d\u52a1\u5668\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<p>\u5b89\u88c5\u5e38\u7528\u5de5\u5177\u5305\uff1a<\/p>\n<p>&#8220;`bash sudo apt update &amp;&amp; sudo apt install -y bind9 bind9utils bind9-doc &#8220;`<\/p>\n<h3>3. \u914d\u7f6eBIND9\u4f5c\u4e3a\u6743\u5a01DNS\u670d\u52a1\u5668<\/h3>\n<p>BIND\uff08Berkeley Internet Name Domain\uff09\u662f\u6700\u5e7f\u6cdb\u4f7f\u7528\u7684\u5f00\u6e90DNS\u670d\u52a1\u5668\u8f6f\u4ef6\u4e4b\u4e00\u3002\u4ee5\u4e0b\u662f\u914d\u7f6e\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><strong>\u7f16\u8f91\u4e3b\u914d\u7f6e\u6587\u4ef6<\/strong>\uff1a<code>\/etc\/bind\/named.conf.options<\/code>\uff0c\u8bbe\u7f6e\u5141\u8bb8\u54ea\u4e9bIP\u8fdb\u884c\u9012\u5f52\u67e5\u8be2\uff08\u53ef\u9009\uff09\uff0c\u5e76\u6307\u5b9a\u65e5\u5fd7\u8def\u5f84\u3002<\/li>\n<li><strong>\u521b\u5efa\u533a\u57df\u6587\u4ef6<\/strong>\uff1a\u5728<code>\/etc\/bind\/zones\/<\/code>\u76ee\u5f55\u4e0b\u65b0\u5efa\u4e00\u4e2a\u533a\u57df\u6587\u4ef6\uff0c\u6bd4\u5982<code>db.example.com<\/code>\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n<pre class=\"prettyprint linenums\" >$ORIGIN example.com.\n$TTL 86400\n@       IN      SOA     ns1.example.com. admin.example.com. (\n2025040501 ; Serial\n3600       ; Refresh\n1800       ; Retry\n604800     ; Expire\n86400 )    ; Minimum TTL<\/pre>\n<p>IN NS ns1.example.com. IN NS ns2.example.com.<\/p>\n<p>ns1 IN A 192.0.2.10 ns2 IN A 192.0.2.11<\/p>\n<pre class=\"prettyprint linenums\" >\nwww     IN      A       192.0.2.100\nmail    IN      MX 10 mail.example.com.\n<\/pre>\n<p>\u5176\u4e2d\uff0cSOA\u8bb0\u5f55\u5305\u542b\u5e8f\u5217\u53f7\uff08Serial\uff09\u3001\u5237\u65b0\u65f6\u95f4\u3001\u91cd\u8bd5\u95f4\u9694\u7b49\u53c2\u6570\uff0c\u662fDNS\u533a\u57df\u7684\u5173\u952e\u4fe1\u606f\u3002<\/p>\n<ol start=\"3\">\n<li><strong>\u5728\u4e3b\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u533a\u57df\u58f0\u660e<\/strong>\uff1a<code>\/etc\/bind\/named.conf.local<\/code> \u6dfb\u52a0\u5982\u4e0b\u5185\u5bb9\uff1a<\/li>\n<\/ol>\n<p>&#8220;`bash zone &#8220;example.com&#8221; { type master; file &#8220;\/etc\/bind\/zones\/db.example.com&#8221;; }; &#8220;`<\/p>\n<ol start=\"4\">\n<li><strong>\u91cd\u542f\u670d\u52a1\u5e76\u6d4b\u8bd5<\/strong>\uff1a<\/li>\n<\/ol>\n<p>&#8220;`bash sudo systemctl restart bind9 sudo named-checkconf sudo named-checkzone example.com \/etc\/bind\/zones\/db.example.com &#8220;`<\/p>\n<p>\u82e5\u65e0\u62a5\u9519\uff0c\u5219\u8bf4\u660e\u914d\u7f6e\u6210\u529f\u3002<\/p>\n<h3>4. \u6ce8\u518c\u57df\u540d\u5e76\u914d\u7f6eNS\u8bb0\u5f55<\/h3>\n<p>\u524d\u5f80\u57df\u540d\u6ce8\u518c\u5546\uff08\u5982GoDaddy\u3001\u963f\u91cc\u4e91\u3001\u817e\u8baf\u4e91\uff09\u7684\u7ba1\u7406\u9762\u677f\uff0c\u627e\u5230\u201c\u57df\u540d\u89e3\u6790\u201d\u6216\u201cDNS\u8bbe\u7f6e\u201d\uff0c\u5c06\u539f\u751f\u7684NS\u8bb0\u5f55\u4fee\u6539\u4e3a\u4f60\u7684\u81ea\u5efaNS\u670d\u52a1\u5668\u5730\u5740\uff1a<\/p>\n<ul>\n<li>ns1.example.com \u2192 192.0.2.10<\/li>\n<li>ns2.example.com \u2192 192.0.2.11<\/li>\n<\/ul>\n<p>\u6ce8\u610f\uff1a\u8fd9\u4e9bNS\u8bb0\u5f55\u5fc5\u987b\u5df2\u7ecf\u5728\u516c\u7f51\u53ef\u8bbf\u95ee\uff0c\u5e76\u4e14\u5bf9\u5e94A\u8bb0\u5f55\u5df2\u6b63\u786e\u7ed1\u5b9aIP\u5730\u5740\u3002<\/p>\n<h3>5. \u76d1\u63a7\u4e0e\u7ef4\u62a4<\/h3>\n<p>\u81ea\u5efaNS\u670d\u52a1\u5668\u4e0a\u7ebf\u540e\uff0c\u5e94\u5b9a\u671f\u8fdb\u884c\u4ee5\u4e0b\u7ef4\u62a4\u64cd\u4f5c\uff1a<\/p>\n<ul>\n<li>\u67e5\u770b\u65e5\u5fd7\uff1a<code>journalctl -u bind9.service<\/code> \u6216 <code>\/var\/log\/syslog | grep named<\/code>\u3002<\/li>\n<li>\u5b9a\u671f\u5907\u4efd\u533a\u57df\u6587\u4ef6\u548c\u914d\u7f6e\u6587\u4ef6\u3002<\/li>\n<li>\u542f\u7528DNSSEC\u7b7e\u540d\uff08\u53ef\u9009\uff09\uff0c\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/li>\n<li>\u76d1\u63a7\u5e26\u5bbd\u548cCPU\u4f7f\u7528\u7387\uff0c\u907f\u514d\u56e0\u6d41\u91cf\u6fc0\u589e\u5bfc\u81f4\u5b95\u673a\u3002<\/li>\n<\/ul>\n<h2>\u4e94\u3001\u672a\u6765\u8d8b\u52bf\uff1aDNS over HTTPS\uff08DoH\uff09\u4e0eDNS over TLS\uff08DoT\uff09<\/h2>\n<p>\u968f\u7740\u7f51\u7edc\u5b89\u5168\u610f\u8bc6\u7684\u63d0\u5347\uff0c\u4f20\u7edf\u7684\u660e\u6587DNS\u67e5\u8be2\u65b9\u5f0f\u9010\u6e10\u66b4\u9732\u51fa\u9690\u79c1\u6cc4\u9732\u7684\u98ce\u9669\u3002\u4e3a\u6b64\uff0c\u4e1a\u754c\u63a8\u51fa\u4e86\u4e24\u79cd\u65b0\u7684\u52a0\u5bc6DNS\u534f\u8bae\uff1a<\/p>\n<ul>\n<li><strong>DNS over HTTPS (DoH)<\/strong>\uff1a\u5c06DNS\u67e5\u8be2\u5c01\u88c5\u5728HTTPS\u8bf7\u6c42\u4e2d\u4f20\u8f93\uff0c\u9632\u6b62\u7a83\u542c\u548c\u7be1\u6539\u3002<\/li>\n<li><strong>DNS over TLS (DoT)<\/strong>\uff1a\u57fa\u4e8eTLS\u52a0\u5bc6\u901a\u9053\u8fdb\u884cDNS\u901a\u4fe1\uff0c\u540c\u6837\u63d0\u4f9b\u7aef\u5230\u7aef\u7684\u5b89\u5168\u4fdd\u969c\u3002<\/li>\n<\/ul>\n<p>\u76ee\u524d\u4e3b\u6d41\u6d4f\u89c8\u5668\uff08Chrome\u3001Firefox\uff09\u548c\u64cd\u4f5c\u7cfb\u7edf\uff08Android 10+\u3001iOS 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