{"id":34291,"date":"2026-07-22T20:44:12","date_gmt":"2026-07-22T20:44:12","guid":{"rendered":"https:\/\/www.dotcom-monitor.com\/blog\/resolves-dns-in-every-check\/"},"modified":"2026-07-24T21:05:33","modified_gmt":"2026-07-24T21:05:33","slug":"resolves-dns-in-every-check","status":"publish","type":"post","link":"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/resolves-dns-in-every-check\/","title":{"rendered":"Dotcom-Monitor \u5982\u4f55\u5728\u6bcf\u6b21\u68c0\u67e5\u4e2d\u89e3\u6790 DNS"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-34276\" src=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/how-dotcom-monitor-resolves-dns.webp\" alt=\"DNS resolution shown as the first step of a monitoring check, before TCP, TLS, and HTTP stages\" width=\"1200\" height=\"800\" srcset=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/how-dotcom-monitor-resolves-dns.webp 1200w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/how-dotcom-monitor-resolves-dns-300x200.webp 300w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/how-dotcom-monitor-resolves-dns-1024x683.webp 1024w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/how-dotcom-monitor-resolves-dns-768x512.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p class=\"lede\">\u6bcf\u4e2a\u76d1\u63a7\u68c0\u67e5\u90fd\u662f\u4ee5\u540c\u6837\u7684\u65b9\u5f0f\u5f00\u59cb\u3002\u5728\u4f60\u9996\u9875\u3001API \u54cd\u5e94\u6216 SMTP \u6a2a\u5e45\u8fd4\u56de\u4e00\u4e2a\u5b57\u8282\u4e4b\u524d\uff0c\u76d1\u63a7\u4ee3\u7406\u5fc5\u987b\u5148\u5c06\u4e3b\u673a\u540d\u8f6c\u6362\u4e3a IP \u5730\u5740\u3002\u7b2c\u4e00\u6b65\u5c31\u662f DNS \u89e3\u6790\uff0c\u4f60\u5982\u4f55\u914d\u7f6e\u5b83\u4f1a\u6539\u53d8\u4f60\u7684\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\u6570\u636e\u7684\u5b9e\u9645\u610f\u4e49\u3002<\/p>\n<p>\u5927\u591a\u6570\u56e2\u961f\u4ece\u672a\u52a8\u8fc7\u76d1\u63a7\u5668\u4e0a\u7684 DNS \u8bbe\u7f6e\u3002\u4ed6\u4eec\u6307\u5411\u4e00\u4e2a\u68c0\u6d4b\u76ee\u6807 <code>api.example.com<\/code>\uff0c\u9009\u62e9\u4e00\u4e2a\u95f4\u9694\uff0c\u7136\u540e\u7ee7\u7eed\u8fdb\u884c\u3002\u4f46\u662f\u8be5\u68c0\u6d4b\u4e0b\u7684\u89e3\u6790\u5668\u884c\u4e3a\u51b3\u5b9a\u4e86\u4f60\u662f\u5728\u6d4b\u91cf\u771f\u5b9e\u7528\u6237\u4f53\u9a8c\u3001\u51e0\u79d2\u5185\u6355\u83b7 DNS \u6545\u969c\uff0c\u8fd8\u662f\u751f\u6210\u53ef\u4ee5\u8de8\u8fd0\u884c\u6bd4\u8f83\u7684\u6e05\u6d01\u54cd\u5e94\u65f6\u95f4\u3002\u4f60\u65e0\u6cd5\u540c\u65f6\u4f18\u5316\u8fd9\u4e09\u8005\u3002<\/p>\n<p>Dotcom-Monitor \u6b63\u662f\u57fa\u4e8e\u8fd9\u4e2a\u539f\u56e0\u4e3a\u4f60\u63d0\u4f9b\u4e86\u56db\u79cd DNS \u89e3\u6790\u6a21\u5f0f\u3002\u672c\u6307\u5357\u9010\u4e00\u4ecb\u7ecd\uff0c\u6bcf\u79cd\u6a21\u5f0f\u91cd\u70b9\u96c6\u4e2d\u5728\u5927\u591a\u6570\u4eba\u5bb9\u6613\u5f04\u9519\u7684\u9009\u62e9\u4e0a\uff1a\u7f13\u5b58\u3001\u975e\u7f13\u5b58\u4e0e\u4e34\u65f6\uff08\u57fa\u4e8e TTL \u7684\uff09\u7f13\u5b58\u3002<\/p>\n<h2 id='\u4e3a\u4ec0\u4e48-dns-\u89e3\u6790\u662f\u6bcf\u4e2a\u68c0\u6d4b\u4e2d\u7684\u7b2c\u4e00\u6b65'  id=\"boomdevs_1\" id=\"why-dns-resolution-runs-first-in-every-check\">\u4e3a\u4ec0\u4e48 DNS \u89e3\u6790\u662f\u6bcf\u4e2a\u68c0\u6d4b\u4e2d\u7684\u7b2c\u4e00\u6b65<\/h2>\n<p>DNS \u662f\u4f60\u76d1\u63a7\u7684\u51e0\u4e4e\u6bcf\u4e2a\u534f\u8bae\u7684\u7b2c\u4e00\u8df3\u3002\u7f51\u7ad9\u68c0\u67e5\u3001<a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e7%9b%91%e6%8e%a7%e4%ba%a7%e5%93%81\/api-monitoring\/\">API \u76d1\u63a7<\/a>\u8c03\u7528\u3001<a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e7%9b%91%e6%8e%a7%e4%ba%a7%e5%93%81\/%e7%94%b5%e5%ad%90%e9%82%ae%e4%bb%b6%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9b%91%e6%8e%a7-dotcom-monitor\/\">\u90ae\u4ef6\u670d\u52a1\u5668\u76d1\u63a7<\/a>\u63a2\u6d4b\u3001<a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e7%9b%91%e6%8e%a7%e4%ba%a7%e5%93%81\/icmp-%e7%9b%91%e6%8e%a7-dotcom-monitor\/\">ICMP Ping \u76d1\u63a7<\/a>\u6d4b\u8bd5\u2014\u2014\u6bcf\u4e00\u4e2a\u90fd\u9700\u8981\u5148\u83b7\u5f97 IP \u5730\u5740\u624d\u80fd\u5efa\u7acb\u8fde\u63a5\u3002\u56e0\u6b64\u4ee3\u7406\u4f1a\u5148\u89e3\u6790\u4e3b\u673a\u540d\uff0c\u7136\u540e\u5728\u5176\u4e0a\u6267\u884c TCP\u3001TLS \u4ee5\u53ca\u5e94\u7528\u5c42\u8bf7\u6c42\u3002<\/p>\n<p>\u8fd9\u4e2a\u987a\u5e8f\u91cd\u8981\u6709\u4e24\u70b9\u3002\u7b2c\u4e00\uff0cDNS \u67e5\u8be2\u65f6\u95f4\u662f\u4f60\u603b\u54cd\u5e94\u65f6\u95f4\u7684\u4e00\u90e8\u5206\uff0c\u7f13\u6162\u7684\u89e3\u6790\u5668\u4f1a\u589e\u52a0\u4e0b\u6e38\u6240\u6709\u6570\u503c\u3002\u7b2c\u4e8c\uff0cDNS \u5931\u8d25\u4f1a\u5728\u68c0\u6d4b\u5f00\u59cb\u524d\u963b\u6b62\u68c0\u6d4b\u3002\u5982\u679c\u89e3\u6790\u5931\u8d25\uff0c\u5c31\u6ca1\u6709\u8fde\u63a5\u53ef\u6d4b\u8bd5\uff0c\u6ca1\u6709\u8bc1\u4e66\u53ef\u9a8c\u8bc1\uff0c\u6ca1\u6709\u72b6\u6001\u7801\u53ef\u8bfb\u53d6\u3002\u76d1\u63a7\u5668\u62a5\u544a\u4e25\u91cd\u5931\u8d25\uff0c\u800c\u6839\u672c\u539f\u56e0\u5219\u5728\u4f60\u672c\u4ee5\u4e3a\u6b63\u5728\u76d1\u89c6\u7684\u5c42\u4e0b\u9762\u3002<\/p>\n<figure id=\"attachment_34283\" aria-describedby=\"caption-attachment-34283\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-34283\" src=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/dns-check-lifecycle.webp\" alt=\"A monitoring check lifecycle: DNS resolution first, then TCP connect, TLS handshake, and HTTP request\" width=\"1200\" height=\"800\" srcset=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/dns-check-lifecycle.webp 1200w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/dns-check-lifecycle-300x200.webp 300w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/dns-check-lifecycle-1024x683.webp 1024w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/dns-check-lifecycle-768x512.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-34283\" class=\"wp-caption-text\">DNS \u89e3\u6790\u662f\u6bcf\u6b21\u68c0\u6d4b\u4e2d\u8fde\u63a5\u3001\u63e1\u624b\u548c\u8bf7\u6c42\u4e4b\u524d\u7684\u7b2c\u4e00\u6b65\u3002<\/figcaption><\/figure>\n<p>\u56e0\u4e3a DNS \u4f4d\u4e8e\u6240\u6709\u6d41\u7a0b\u4e4b\u524d\uff0c\u4ee3\u7406\u5904\u7406\u8be5\u67e5\u8be2\u7684\u65b9\u5f0f\u662f\u771f\u6b63\u7684\u8bbe\u8ba1\u51b3\u7b56\uff0c\u800c\u975e\u7ec6\u8282\u3002\u6bcf\u6b21\u8bf7\u6c42\u90fd\u91cd\u65b0\u89e3\u6790\u53ef\u4ee5\u5feb\u901f\u6355\u6349\u89e3\u6790\u5668\u95ee\u9898\uff0c\u4f46\u589e\u52a0\u8d1f\u8f7d\u548c\u67e5\u8be2\u65f6\u95f4\u3002\u7f13\u5b58\u4f1a\u4f7f\u6570\u503c\u66f4\u5feb\u4e14\u66f4\u7a33\u5b9a\uff0c\u4f46\u9519\u8bef\u7684 DNS \u8bb0\u5f55\u53ef\u80fd\u4f1a\u5728\u7f13\u5b58\u540e\u9762\u9690\u85cf\u6570\u5c0f\u65f6\u3002Dotcom-Monitor \u7684\u6a21\u5f0f\u5141\u8bb8\u4f60\u6839\u636e\u5b9e\u9645\u76d1\u63a7\u7684\u5bf9\u8c61\u9009\u62e9\u5408\u9002\u7684\u6743\u8861\u3002\u60f3\u66f4\u6df1\u5165\u4e86\u89e3\u5982\u4f55\u7f29\u51cf\u8fd9\u7b2c\u4e00\u8df3\u65f6\u95f4\uff0c\u8bf7\u53c2\u89c1\u6211\u4eec\u7684\u5173\u4e8e<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/%e6%94%b9%e8%bf%9b-dns-%e8%a7%a3%e6%9e%90-%e6%97%b6%e9%97%b4-%e7%bd%91%e7%bb%9c%e7%9b%91%e6%8e%a7\/\">\u63d0\u5347 DNS \u89e3\u6790\u65f6\u95f4<\/a>\u7684\u6307\u5357\u3002<\/p>\n<h2 id='dotcom-monitor-\u7684\u56db\u79cd-dns-\u6a21\u5f0f'  id=\"boomdevs_2\" id=\"the-four-dns-modes-in-dotcom-monitor\">Dotcom-Monitor \u7684\u56db\u79cd DNS \u6a21\u5f0f<\/h2>\n<p>Dotcom-Monitor \u5728\u76d1\u63a7\u4efb\u52a1\u4e2d\u516c\u5f00\u56db\u79cd DNS \u89e3\u6790\u6a21\u5f0f\u3002\u6bcf\u79cd\u6a21\u5f0f\u6539\u53d8 IP \u5730\u5740\u6765\u6e90\u53ca\u7f13\u5b58\u65f6\u957f\u3002<\/p>\n<h3 id='\u8bbe\u5907\u7f13\u5b58-device-cached'  id=\"boomdevs_3\" id=\"device-cached\">\u8bbe\u5907\u7f13\u5b58\uff08Device Cached\uff09<\/h3>\n<p>\u8bbe\u5907\u7f13\u5b58\u662f\u9ed8\u8ba4\u6a21\u5f0f\u3002\u5728\u5355\u6b21\u8bbe\u5907\u68c0\u6d4b\u5185\uff0c\u4ee3\u7406\u9488\u5bf9\u6bcf\u4e2a\u4e3b\u673a\u540d\u4ec5\u89e3\u6790\u4e00\u6b21\uff0c\u5e76\u5728\u8be5\u68c0\u6d4b\u671f\u95f4\u4e0e\u8bbe\u5907\u4e2d\u7684\u6240\u6709\u4efb\u52a1\u5171\u4eab\u7ed3\u679c\u3002\u5982\u679c\u68c0\u6d4b\u4e2d\u8f83\u65e9\u7684\u4efb\u52a1\u5df2\u89e3\u6790\u8fc7\u8be5\u4e3b\u673a\uff0c\u540e\u7eed\u4efb\u52a1\u4f1a\u590d\u7528\u7f13\u5b58\u7684 IP\uff0c\u5426\u5219\u4ee3\u7406\u5c06\u6267\u884c\u5b8c\u6574\u67e5\u8be2\u5e76\u5728\u68c0\u6d4b\u671f\u95f4\u7f13\u5b58\u7ed3\u679c\u3002<\/p>\n<p>\u4f18\u70b9\u662f\u6548\u7387\u3002\u591a\u6570\u68c0\u6d4b\u5728\u4e00\u5206\u949f\u5185\u5b8c\u6210\uff0c\u56e0\u6b64\u6ca1\u6709\u5fc5\u8981\u6bcf\u9694\u51e0\u79d2\u89e3\u6790\u76f8\u540c\u4e3b\u673a\u3002\u7f3a\u70b9\u4f53\u73b0\u5728\u6bcf\u4efb\u52a1\u65f6\u95f4\u70b9\u4e0a\u3002\u5982\u679c\u540c\u4e00\u8bbe\u5907\u76d1\u63a7\u4e24\u4e2a\u540c\u4e3b\u673a\u7684 URL\uff0c\u7b2c\u4e00\u4e2a URL \u9700\u8981\u5305\u6db5 DNS \u67e5\u8be2\u65f6\u95f4\uff0c\u7b2c\u4e8c\u4e2a\u4f7f\u7528\u7f13\u5b58 IP\uff0c\u770b\u8d77\u6765\u66f4\u5feb\uff0c\u5c3d\u7ba1\u672c\u8d28\u6ca1\u53d8\u3002\u8fd9\u662f\u9884\u671f\u884c\u4e3a\uff0c\u4e0d\u662f\u9519\u8bef\uff0c\u4f46\u521d\u6b21\u67e5\u770b\u7011\u5e03\u56fe\u65f6\u4f1a\u8ba9\u4eba\u60ca\u8bb6\u3002<\/p>\n<h3 id='\u975e\u7f13\u5b58-non-cached'  id=\"boomdevs_4\" id=\"non-cached\">\u975e\u7f13\u5b58\uff08Non-Cached\uff09<\/h3>\n<p>\u975e\u7f13\u5b58\u6a21\u5f0f\u5b8c\u5168\u8df3\u8fc7\u8bbe\u5907\u7f13\u5b58\u3002\u6bcf\u6b21\u4efb\u52a1\u6267\u884c\u90fd\u4f1a\u8fd0\u884c\u81ea\u5df1\u7684\u5b8c\u6574 DNS \u67e5\u8be2\uff0c\u56e0\u6b64\u6bcf\u6b21\u68c0\u6d4b\u90fd\u9700\u8981\u4ed8\u51fa\u5168\u90e8\u89e3\u6790\u65f6\u95f4\u3002\u8fd9\u6837\u4fdd\u8bc1\u4e86\u65f6\u5e8f\u7edf\u4e00\u4e14\u53ef\u6bd4\uff0c\u56e0\u4e3a\u6bcf\u6b21\u68c0\u6d4b\u4ed8\u51fa\u7684\u89e3\u6790\u4ee3\u4ef7\u76f8\u540c\u3002<\/p>\n<p>\u6743\u8861\u662f\u8d1f\u8f7d\u548c\u5ef6\u8fdf\u3002\u6bcf\u6b21\u68c0\u6d4b\u90fd\u65b0\u89e3\u6790\u4f1a\u589e\u52a0\u4efb\u52a1\u65f6\u95f4\u548c DNS \u57fa\u7840\u8bbe\u65bd\u7684\u6d41\u91cf\u3002\u975e\u7f13\u5b58\u6a21\u5f0f\u4e0d\u9002\u7528\u4e8e\u57fa\u4e8e\u6d4f\u89c8\u5668\u7684 BrowserView \u6216 UserView \u5e73\u53f0\u3002\u73b0\u5b9e\u9875\u9762\u53ef\u80fd\u4ece\u540c\u4e00\u4e3b\u673a\u62c9\u53d6\u6570\u5341\u4e2a\u5143\u7d20\uff0c\u5728\u51e0\u79d2\u5185\u591a\u6b21\u89e3\u6790\u4e3b\u673a\u540d\u4e0d\u7b26\u5408\u6d4f\u89c8\u5668\u884c\u4e3a\uff0c\u56e0\u6b64\u8fd9\u4e9b\u5e73\u53f0\u4ee5\u6bcf\u6b21\u68c0\u6d4b\u4ec5\u89e3\u6790\u4e00\u6b21\u4e3a\u771f\u5b9e\u6a21\u578b\u3002<\/p>\n<h3 id='ttl\u7f13\u5b58-ttl-cached'  id=\"boomdevs_5\" id=\"ttl-cached\">TTL\u7f13\u5b58\uff08TTL Cached\uff09<\/h3>\n<p>TTL \u7f13\u5b58\u50cf\u7528\u6237\u7aef\u771f\u6b63\u7684\u89e3\u6790\u5668\u4e00\u6837\u5de5\u4f5c\u3002\u5b83\u9075\u5faa\u8bb0\u5f55\u7684\u751f\u5b58\u65f6\u95f4\uff08TTL\uff09\uff1a\u4ee3\u7406\u7f13\u5b58\u5df2\u89e3\u6790\u5730\u5740\u5e76\u7ee7\u7eed\u4f7f\u7528\uff0c\u76f4\u5230 TTL \u8fc7\u671f\uff0c\u624d\u901a\u8fc7\u672c\u5730 DNS \u670d\u52a1\u5668\u91cd\u65b0\u89e3\u6790\u3002\u8be5\u6a21\u5f0f\u6700\u63a5\u8fd1\u771f\u5b9e\u8bbf\u5ba2\u7684\u4f53\u9a8c\uff0c\u56e0\u4e3a\u4ed6\u4eec\u7684\u6d4f\u89c8\u5668\u548c\u64cd\u4f5c\u7cfb\u7edf\u540c\u6837\u7f13\u5b58\u3002<\/p>\n<p>\u98ce\u9669\u5728\u4e8e\u8be5\u884c\u4e3a\u672c\u8eab\u3002\u5982\u679c\u652f\u6301\u8be5\u8bb0\u5f55\u7684 DNS \u670d\u52a1\u5668\u5931\u8d25\uff0c\u800c\u7f13\u5b58\u4e2d\u4ecd\u5b58\u5728\u6709\u6548\u7b54\u6848\uff0c\u76d1\u63a7\u5668\u76f4\u5230 TTL \u8fc7\u671f\u624d\u53ef\u80fd\u6ce8\u610f\u5230\uff0cTTL \u53ef\u80fd\u8bbe\u7f6e\u4e3a\u6570\u5c0f\u65f6\u3001\u6570\u5929\u751a\u81f3\u66f4\u4e45\u3002\u56e0\u6b64\uff0c\u5982\u679c\u76ee\u6807\u662f\u73b0\u5b9e\u7528\u6237\u4f53\u9a8c\u8ba1\u65f6\uff0cTTL \u7f13\u5b58\u662f\u5408\u9002\u9009\u62e9\uff1b\u82e5\u76ee\u6807\u662f\u5feb\u901f\u6355\u83b7 DNS \u6545\u969c\uff0c\u5219\u4e0d\u9002\u5408\u3002<\/p>\n<h3 id='\u5916\u90e8-dns-\u670d\u52a1\u5668-external-dns-server'  id=\"boomdevs_6\" id=\"external-dns-server\">\u5916\u90e8 DNS \u670d\u52a1\u5668\uff08External DNS Server\uff09<\/h3>\n<p>\u5916\u90e8 DNS \u670d\u52a1\u5668\u8ba9\u4f60\u6307\u5b9a\u4e00\u4e2a\u89e3\u6790\u5668 IP \u8fdb\u884c\u67e5\u8be2\u3002\u82e5\u4f60\u77e5\u9053\u5927\u591a\u6570\u7528\u6237\u4f7f\u7528\u516c\u5171\u89e3\u6790\u5668\u5982 Google\uff088.8.8.8\u30018.8.4.4\uff09\u6216 Cloudflare\uff081.1.1.1\uff09\uff0c\u4f60\u53ef\u901a\u8fc7\u8be5\u670d\u52a1\u6d4b\u8bd5\u89e3\u6790\u3002\u4e5f\u53ef\u76f4\u63a5\u9488\u5bf9\u77e5\u6653\u6743\u5a01\u533a\u57df\u7684\u89e3\u6790\u5668\uff0c\u8df3\u8fc7\u9012\u5f52\u67e5\u8be2\uff0c\u5b9e\u73b0\u66f4\u5feb\u66f4\u76f4\u63a5\u7684\u89e3\u6790\u3002<\/p>\n<p>\u9650\u5236\u5728\u4e8e\u8986\u76d6\u8303\u56f4\u3002\u53ea\u8981\u6307\u5b9a\u89e3\u6790\u5668\u8fd4\u56de\u6709\u6548\u7b54\u6848\uff0c\u76d1\u63a7\u5c31\u89c6\u4e3a\u6210\u529f\uff0c\u5373\u4f7f\u8d1f\u8d23\u8be5\u57df\u7684 DNS \u670d\u52a1\u5668\u6709\u5f02\u5e38\u3002\u56e0\u6b64\u8be5\u6a21\u5f0f\u6d4b\u8bd5\u7684\u662f\u8be5\u89e3\u6790\u5668\u89c6\u89d2\uff0c\u800c\u975e\u6574\u4e2a\u89e3\u6790\u94fe\u3002\u53e6\u9700\u6ce8\u610f\uff1a\u6bcf\u4e2a\u4e0d\u540c\u89e3\u6790\u5668 IP \u62e5\u6709\u72ec\u7acb\u7f13\u5b58\uff0c\u6307\u5411\u4e0d\u540c\u5916\u90e8\u670d\u52a1\u5668\u7684\u4e24\u4e2a\u4efb\u52a1\u4fdd\u6301\u5404\u81ea\u7f13\u5b58\u3002<\/p>\n<h2 id='\u7f13\u5b58-\u975e\u7f13\u5b58\u4e0e\u4e34\u65f6\u7f13\u5b58\u5bf9\u6bd4'  id=\"boomdevs_7\" id=\"caching-vs-non-caching-vs-temporary-caching\">\u7f13\u5b58\u3001\u975e\u7f13\u5b58\u4e0e\u4e34\u65f6\u7f13\u5b58\u5bf9\u6bd4<\/h2>\n<p>\u8fd9\u662f\u8ba9\u4eba\u6df7\u6dc6\u7684\u51b3\u7b56\uff0c\u503c\u5f97\u5e76\u5217\u8bf4\u660e\u3002\u7f13\u5b58\uff08\u8bbe\u5907\u7f13\u5b58\uff09\u4f18\u5316\u6548\u7387\u3002\u975e\u7f13\u5b58\uff08\u975e\u7f13\u5b58\uff09\u4f18\u5316\u53ef\u6bd4\u3001\u53ef\u91cd\u590d\u7684\u65f6\u5e8f\u548c\u5feb\u901f\u6545\u969c\u68c0\u6d4b\u3002\u4e34\u65f6\u7f13\u5b58\uff08TTL\u7f13\u5b58\uff09\u6a21\u62df\u771f\u5b9e\u6d4f\u89c8\u5668\u4e00\u6837\uff0c\u4ee5\u5e74\u9f84\u6dd8\u6c70\u8bb0\u5f55\u4f18\u5316\u73b0\u5b9e\u611f\u3002<\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\u6a21\u5f0f<\/th>\n<th>\u89e3\u6790\u65b9\u5f0f<\/th>\n<th>\u9002\u5408\u573a\u666f<\/th>\n<th>\u4e3b\u8981\u6743\u8861<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u8bbe\u5907\u7f13\u5b58<\/strong>\uff08\u7f13\u5b58\uff09<\/td>\n<td>\u8bbe\u5907\u68c0\u6d4b\u5185\u89e3\u6790\u4e00\u6b21\uff0c\u4efb\u52a1\u5171\u4eab<\/td>\n<td>\u9ad8\u6548\u68c0\u6d4b\uff1b\u5bf9\u540c\u4e3b\u673a\u591a\u4e2a\u4efb\u52a1<\/td>\n<td>\u9996\u4e2a\u4efb\u52a1\u542b\u89e3\u6790\u65f6\u95f4\uff0c\u540e\u7eed\u4efb\u52a1\u770b\u4f3c\u66f4\u5feb<\/td>\n<\/tr>\n<tr>\n<td><strong>\u975e\u7f13\u5b58<\/strong>\uff08\u975e\u7f13\u5b58\uff09<\/td>\n<td>\u6bcf\u6b21\u6267\u884c\u65b0\u5b8c\u6574\u89e3\u6790<\/td>\n<td>\u7edf\u4e00\u65f6\u5e8f\uff1b\u5feb\u901f\u68c0\u6d4b DNS \u95ee\u9898<\/td>\n<td>\u66f4\u9ad8 DNS \u8d1f\u8f7d\u548c\u5ef6\u8fdf\uff1b\u4e0d\u9002\u5408 BrowserView\/UserView<\/td>\n<\/tr>\n<tr>\n<td><strong>TTL\u7f13\u5b58<\/strong>\uff08\u4e34\u65f6\u7f13\u5b58\uff09<\/td>\n<td>\u9075\u5faa TTL\uff0c\u8fc7\u671f\u540e\u91cd\u65b0\u89e3\u6790<\/td>\n<td>\u5339\u914d\u771f\u5b9e\u7528\u6237\u4f53\u9a8c<\/td>\n<td>DNS \u670d\u52a1\u5668\u6545\u969c\u53ef\u80fd\u9690\u85cf\u81f3 TTL \u8fc7\u671f<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5916\u90e8 DNS \u670d\u52a1\u5668<\/strong><\/td>\n<td>\u67e5\u8be2\u4f60\u6307\u5b9a\u7684\u89e3\u6790\u5668 IP<\/td>\n<td>\u6d4b\u8bd5\u7279\u5b9a\u516c\u5171\u6216\u6743\u5a01\u89e3\u6790\u5668<\/td>\n<td>\u4ec5\u89c1\u6307\u5b9a\u89e3\u6790\u5668\u7ed3\u679c\uff0c\u975e\u6574\u6761\u94fe\u8def<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<blockquote><p>\u7b80\u800c\u8a00\u4e4b\uff1a\u7f13\u5b58\u63d0\u9ad8\u901f\u5ea6\uff0c\u8df3\u8fc7\u7f13\u5b58\u5feb\u901f\u6355\u83b7\u6545\u969c\uff0c\u9075\u5b88 TTL \u89c2\u5bdf\u7528\u6237\u4f53\u9a8c\u3002\u9009\u62e9\u4e0e\u68c0\u6d4b\u76ee\u6807\u76f8\u7b26\u7684\u6a21\u5f0f\u3002<\/p><\/blockquote>\n<h2 id='\u4e3a\u4ec0\u4e48\u5927\u591a\u6570\u76d1\u63a7\u5de5\u5177\u5ffd\u7565-dns-\u95ee\u9898'  id=\"boomdevs_8\" id=\"why-most-monitoring-tools-miss-dns-issues\">\u4e3a\u4ec0\u4e48\u5927\u591a\u6570\u76d1\u63a7\u5de5\u5177\u5ffd\u7565 DNS \u95ee\u9898<\/h2>\n<p>\u8ba9\u4f60\u503c\u5f97\u8bbe\u7f6e\u8fd9\u4e2a\u7684\u539f\u56e0\u662f\uff1a\u5927\u591a\u6570\u76d1\u63a7\u5de5\u5177\u4e0d\u63d0\u4f9b\u9009\u62e9\u3002\u5b83\u4eec\u89e3\u6790\u4e00\u6b21\u4e3b\u673a\uff0c\u7f13\u5b58\u7ed3\u679c\uff0c\u5e76\u6301\u7eed\u590d\u7528\u8fd9\u7b54\u6848\u76f4\u5230\u8bb0\u5f55\u5931\u6548\u3002\u8fd9\u672c\u53ef\u884c\uff0c\u76f4\u5230 DNS \u95ee\u9898\u51fa\u73b0\u5728\u751f\u4ea7\u73af\u5883\u2014\u2014\u9519\u8bef\u7684\u8bb0\u5f55\u3001\u6743\u5a01\u670d\u52a1\u5668\u6545\u969c\u3001\u89e3\u6790\u5668\u8fd4\u56de\u9519\u8bef IP\u2014\u2014\u800c\u7f13\u5b58\u7684\u76d1\u63a7\u5668\u56e0\u4f7f\u7528\u8fc7\u65f6\u7b54\u6848\u4ecd\u663e\u793a\u6b63\u5e38\uff0c\u5b9e\u9645\u7528\u6237\u5374\u9047\u5230\u6545\u969c\u3002<\/p>\n<p>\u76d1\u63a7\u9886\u57df\u4e2d\u5bf9\u89e3\u6790\u6a21\u5f0f\u7684\u7ec6\u7c92\u5ea6\u63a7\u5236\u5f88\u5c11\u89c1\u3002\u5f3a\u5236\u6bcf\u6b21\u68c0\u6d4b\u65b0\u89e3\u6790\uff0c\u4f9d\u636e TTL \u56de\u6536\u8bb0\u5f55\uff0c\u6216\u8005\u6307\u5b9a\u7279\u5b9a\u89e3\u6790\u5668\uff0c\u90fd\u51e0\u4e4e\u662f Dotcom-Monitor \u7684\u6807\u5fd7\u6027\u7279\u6027\uff0c\u662f\u533a\u5206\u522b\u53ea\u5047\u8bbe DNS \u6b63\u5e38\u7684\u76d1\u63a7\u4e0e\u5b9e\u9645\u6d4b\u8bd5 DNS \u95ee\u9898\u7684\u76d1\u63a7\u7684\u754c\u9650\u3002\u5982\u679c\u6355\u83b7\u751f\u4ea7\u4e2d DNS \u95ee\u9898\u662f\u68c0\u6d4b\u76ee\u6807\uff0c\u7edd\u5927\u591a\u6570\u5de5\u5177\u9ed8\u8ba4\u7684\u5168\u90e8\u7f13\u5b58\u884c\u4e3a\u6070\u6070\u662f\u63a9\u76d6\u95ee\u9898\u7684\u7f6a\u9b41\u3002<\/p>\n<h2 id='\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684-dns-\u6a21\u5f0f'  id=\"boomdevs_9\" id=\"how-to-choose-the-right-dns-mode\">\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684 DNS \u6a21\u5f0f<\/h2>\n<p>\u4f60\u9009\u62e9\u4ec0\u4e48\u6a21\u5f0f\u53d6\u51b3\u4e8e\u76d1\u63a7\u5668\u65e8\u5728\u56de\u7b54\u7684\u95ee\u9898\u3002\u4ee5\u4e0b\u662f DevOps \u548c SRE \u56e2\u961f\u6700\u5e38\u89c1\u7684\u51e0\u4e2a\u6a21\u5f0f\u3002<\/p>\n<p><strong>\u4f60\u60f3\u5c3d\u5feb\u6355\u83b7 DNS \u6545\u969c\u3002<\/strong>\u4f7f\u7528\u975e\u7f13\u5b58\u6a21\u5f0f\u3002\u5f53\u68c0\u6d4b\u662f\u4e3a\u4e86\u5728\u89e3\u6790\u5931\u8d25\u7684\u77ac\u95f4\u63d0\u9192\u2014\u2014\u6ce8\u518c\u5546\u66f4\u6539\u51fa\u9519\u3001\u533a\u57df\u8fc7\u671f\u3001\u8bb0\u5f55\u88ab\u52ab\u6301\u7b49\u60c5\u51b5\u2014\u2014\u4f60\u4e0d\u5e0c\u671b\u7f13\u5b58\u4e2d\u6709\u65e7\u7b54\u6848\u3002\u6bcf\u6b21\u68c0\u6d4b\u90fd\u65b0\u89e3\u6790\u610f\u5473\u7740\u6545\u969c\u4f1a\u5728\u4e0b\u4e00\u6b21\u68c0\u6d4b\u663e\u793a\uff0c\u800c\u975e\u8981\u7b49\u51e0\u5c0f\u65f6 TTL \u8fc7\u671f\u3002\u914d\u5408\u4e25\u683c\u7684<a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e7%89%b9%e5%be%81\/%e5%8a%9f%e8%83%bd%e8%ad%a6%e6%8a%a5\/\">\u544a\u8b66<\/a>\u786e\u4fdd\u4fe1\u53f7\u4f20\u8fbe\u5230\u503c\u73ed\u4eba\u5458\u3002<\/p>\n<p><strong>\u4f60\u60f3\u83b7\u5f97\u5339\u914d\u771f\u5b9e\u8bbf\u5ba2\u7684\u65f6\u5e8f\u3002<\/strong>\u4f7f\u7528 TTL \u7f13\u5b58\u6a21\u5f0f\u3002\u5982\u679c\u68c0\u6d4b\u670d\u52a1\u4e8e<a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e8%a7%a3%e5%86%b3-%e6%96%b9%e6%a1%88\/%e6%ad%a3%e5%b8%b8%e8%bf%90%e8%a1%8c%e6%97%b6%e9%97%b4\/\">\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\u76d1\u63a7<\/a>\u670d\u52a1\u7b49\u7ea7\u534f\u8bae\u6216\u5b9e\u65f6\u7528\u6237\u4f53\u9a8c\u4eea\u8868\u76d8\uff0c\u6309\u6d4f\u89c8\u5668\u89e3\u6790\u65b9\u5f0f\u5904\u7406\u4fdd\u6301\u6570\u636e\u8bda\u5b9e\u3002\u53ea\u9700\u63a5\u53d7 DNS \u6545\u969c\u68c0\u6d4b\u53ef\u80fd\u5ef6\u8fdf TTL \u65f6\u95f4\uff0c\u5e76\u4e14\u5982\u679c\u8fd9\u70b9\u5f88\u91cd\u8981\uff0c\u989d\u5916\u6dfb\u52a0\u975e\u7f13\u5b58\u68c0\u6d4b\u3002<\/p>\n<p><strong>\u4f60\u5bf9\u540c\u4e00\u4e3b\u673a\u8fd0\u884c\u591a\u4e2a\u4efb\u52a1\u3002<\/strong>\u9ed8\u8ba4\u7684\u8bbe\u5907\u7f13\u5b58\u901a\u5e38\u5408\u9002\u3002\u5b83\u63a7\u5236 DNS \u8d1f\u8f7d\uff0c\u4e14\u6bcf\u6b21\u68c0\u6d4b\u89e3\u6790\u4e00\u6b21\u4e3b\u673a\u3002\u9605\u8bfb\u6bcf\u4efb\u52a1\u7011\u5e03\u56fe\u65f6\u8003\u8651\u7f13\u5b58\uff1a\u9996\u4e2a\u4efb\u52a1\u542b\u89e3\u6790\u65f6\u95f4\u3002<\/p>\n<p><strong>\u4f60\u5173\u6ce8\u4e00\u4e2a\u7279\u5b9a\u89e3\u6790\u5668\u3002<\/strong>\u4f7f\u7528\u5916\u90e8 DNS \u670d\u52a1\u5668\u6a21\u5f0f\u3002\u9002\u5408\u56e2\u961f\u9a8c\u8bc1 Google \u6216 Cloudflare \u516c\u5171\u89e3\u6790\u5668\u8fd4\u56de\u6b63\u786e\u8bb0\u5f55\uff0c\u6216\u76f4\u63a5\u68c0\u6d4b\u7279\u5b9a\u6743\u5a01\u670d\u52a1\u5668\u3002\u5b83\u662f\u6709\u9488\u5bf9\u6027\u7684\u6d4b\u8bd5\uff0c\u5efa\u8bae\u540c\u65f6\u4fdd\u6301\u5e7f\u6cdb\u68c0\u6d4b\u3002\u66f4\u591a\u7b56\u7565\u8bf7\u53c2\u9605\u6211\u4eec\u5bf9<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/best-dns-monitoring-tools\/\">DNS \u76d1\u63a7\u5de5\u5177<\/a>\u7684\u7efc\u8ff0\u3002<\/p>\n<h2 id='\u6bcf\u79cd\u6a21\u5f0f\u6355\u83b7\u7684-dns-\u9519\u8bef'  id=\"boomdevs_10\" id=\"which-dns-errors-each-mode-catches\">\u6bcf\u79cd\u6a21\u5f0f\u6355\u83b7\u7684 DNS \u9519\u8bef<\/h2>\n<p>DNS \u662f\u5e38\u89c1\u6545\u969c\u70b9\uff0c\u4e14\u5176\u6545\u969c\u65b9\u5f0f\u591a\u6837\u3002\u8fc1\u79fb\u4e2d\u8bb0\u5f55\u88ab\u66f4\u6539\u3001\u533a\u57df\u8fc7\u671f\u3001\u6743\u5a01\u670d\u52a1\u5668\u5b95\u673a\u3001\u751a\u81f3\u653b\u51fb\u8005\u901a\u8fc7\u7f13\u5b58\u6c61\u67d3\u4f7f\u57df\u6307\u5411\u5176\u63a7\u5236\u670d\u52a1\u5668\u3002\u4f60\u7684\u89e3\u6790\u6a21\u5f0f\u51b3\u5b9a\u8fd9\u4e9b\u6545\u969c\u51fa\u73b0\u7684\u901f\u5ea6\u3002<\/p>\n<p>\u975e\u7f13\u5b58\u6a21\u5f0f\u662f\u63ed\u793a\u89e3\u6790\u95ee\u9898\u6700\u5feb\u7684\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4fe1\u4efb\u4e4b\u524d\u7684\u7b54\u6848\u3002TTL \u7f13\u5b58\u6700\u6162\uff0c\u56e0\u4e3a\u6709\u6548\u7f13\u5b58\u8bb0\u5f55\u53ef\u80fd\u5728\u5176\u80cc\u540e\u6545\u969c\u53d1\u751f\u65f6\u4f9d\u7136\u5b58\u5728\u3002\u5916\u90e8 DNS \u670d\u52a1\u5668\u6355\u83b7\u4f60\u6307\u5b9a\u89e3\u6790\u5668\u7684\u95ee\u9898\uff0c\u4f46\u53ef\u80fd\u9519\u8fc7\u94fe\u8def\u5176\u5b83\u4f4d\u7f6e\u7684\u6545\u969c\u3002\u5982\u679c\u4f60\u60f3\u4e86\u89e3\u5230\u68c0\u67e5\u5982\u4f55\u8de8\u5c42\u6b21\u5931\u8d25\uff0c\u6211\u4eec\u7684<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/website-monitoring-errors-dns-tcp-tls-http\/\">DNS\u3001TCP\u3001TLS \u548c HTTP \u6545\u969c\u6307\u5357<\/a>\u5bf9\u6b64\u6709\u8be6\u5c3d\u89e3\u6790\u3002\u82e5\u5173\u6ce8\u5b95\u673a\uff0c\u5e94\u7ed3\u5408<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/%e9%81%bf%e5%85%8d-dns-%e4%b8%ad%e6%96%ad-%e5%87%8f%e5%b0%91%e5%81%9c%e6%9c%ba%e6%97%b6%e9%97%b4-%e5%b8%a6-dns-%e7%9b%91%e8%a7%86\/\">\u907f\u514d DNS \u5b95\u673a<\/a>\u7684\u64cd\u4f5c\u624b\u518c\uff0c\u4e0e\u975e\u7f13\u5b58\u68c0\u6d4b\u914d\u5408\u6548\u679c\u66f4\u4f73\u3002<\/p>\n<p>\u65e0\u8bba\u4f7f\u7528\u54ea\u79cd\u6a21\u5f0f\uff0cDNS \u76d1\u63a7\u7684\u76ee\u6807\u662f\u7b2c\u4e00\u4e2a\u53d1\u73b0\u8bb0\u5f55\u53d8\u4e3a\u975e\u9884\u671f IP\u3002\u5f53\u4e3b\u673a\u540d\u89e3\u6790\u5230\u5f02\u5e38 IP \u65f6\uff0cDotcom-Monitor \u4f1a\u751f\u6210\u9519\u8bef\u5e76\u89e6\u53d1\u544a\u8b66\uff0c\u5e2e\u52a9\u4f60\u5728\u7528\u6237\u8bbf\u95ee\u9519\u8bef\u670d\u52a1\u5668\u524d\u91c7\u53d6\u53cd\u5e94\u3002<\/p>\n<h2 id='\u5982\u4f55\u5728-dotcom-monitor-\u4e2d\u8bbe\u7f6e-dns-\u6a21\u5f0f'  id=\"boomdevs_11\" id=\"how-to-set-the-dns-mode-in-dotcom-monitor\">\u5982\u4f55\u5728 Dotcom-Monitor \u4e2d\u8bbe\u7f6e DNS \u6a21\u5f0f<\/h2>\n<p>\u66f4\u6539\u89e3\u6790\u6a21\u5f0f\u53ea\u9700\u51e0\u6b21\u70b9\u51fb\u3002\u5177\u4f53\u6807\u7b7e\u4f1a\u6839\u636e\u8bbe\u5907\u7c7b\u578b\u7565\u6709\u4e0d\u540c\uff0c\u4f46\u6d41\u7a0b\u4e00\u81f4\u3002<\/p>\n<ol class=\"steps\">\n<li><strong>\u6b65\u9aa4 1\uff1a<\/strong>\u6253\u5f00\u4f60\u60f3\u914d\u7f6e\u7684\u8bbe\u5907\u6216\u4efb\u52a1\uff0c\u8fdb\u5165 Dotcom-Monitor \u5e73\u53f0\u3002<\/li>\n<li><strong>\u6b65\u9aa4 2\uff1a<\/strong>\u7f16\u8f91\u4efb\u52a1\u8bbe\u7f6e\uff0c\u627e\u5230 DNS \u89e3\u6790\u6a21\u5f0f\uff08\u6216 DNS \u9009\u9879\uff09\u90e8\u5206\u3002<\/li>\n<li><strong>\u6b65\u9aa4 3\uff1a<\/strong>\u9009\u62e9\u56db\u79cd\u6a21\u5f0f\u4e2d\u7684\u4e00\u4e2a\uff1a\u8bbe\u5907\u7f13\u5b58\u3001\u975e\u7f13\u5b58\u3001TTL\u7f13\u5b58\u6216\u5916\u90e8 DNS \u670d\u52a1\u5668\u3002<\/li>\n<li><strong>\u6b65\u9aa4 4\uff1a<\/strong>\u82e5\u9009\u62e9\u5916\u90e8 DNS \u670d\u52a1\u5668\uff0c\u8f93\u5165\u8981\u67e5\u8be2\u7684\u89e3\u6790\u5668 IP\uff0c\u5982 8.8.8.8 \u6216 1.1.1.1\u3002<\/li>\n<li><strong>\u6b65\u9aa4 5\uff1a<\/strong>\u4fdd\u5b58\u4efb\u52a1\u5e76\u8fd0\u884c\u51e0\u4e2a\u95f4\u9694\uff0c\u518d\u67e5\u770b\u54cd\u5e94\u65f6\u95f4\u62c6\u5206\u4ee5\u786e\u8ba4 DNS \u8ba1\u65f6\u7b26\u5408\u9884\u671f\u3002<\/li>\n<\/ol>\n<p>\u7531\u4e8e\u6bcf\u4e2a\u8bbe\u5907\u90fd\u4ece Dotcom-Monitor \u7684<a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e7%89%b9%e5%be%81\/%e5%8a%9f%e8%83%bd%e7%9b%91%e6%8e%a7%e7%bd%91%e7%bb%9c\/\">\u5168\u7403\u76d1\u63a7\u7f51\u7edc<\/a>\u8fd0\u884c\uff0c\u8bbe\u7f6e\u5b8c\u6210\u540e\u4f60\u53ef\u4ee5\u6bd4\u8f83\u4e0d\u540c\u5730\u70b9\u89e3\u6790\u8868\u73b0\u3002<\/p>\n<h2 id='\u7ed3\u8bba'  id=\"boomdevs_12\" id=\"the-bottom-line\">\u7ed3\u8bba<\/h2>\n<p>DNS \u89e3\u6790\u662f\u6bcf\u6b21\u68c0\u6d4b\u7684\u7b2c\u4e00\u6b65\uff0c\u56e0\u6b64\u89e3\u6790\u6a21\u5f0f\u4e0d\u662f\u53ef\u4ee5\u81ea\u52a8\u9a7e\u9a76\u7684\u8bbe\u7f6e\u3002\u9700\u8981\u9ad8\u6548\u68c0\u6d4b\u65f6\u7f13\u5b58\uff0c\u5171\u4eab\u4e3b\u673a\u65f6\u7f13\u5b58\uff1b\u8981\u5feb\u901f\u6355\u83b7 DNS \u6545\u969c\u65f6\u8df3\u8fc7\u7f13\u5b58\uff1b\u8981\u53cd\u6620\u771f\u5b9e\u7528\u6237\u8ba1\u65f6\u65f6\u9075\u5b88 TTL\uff1b\u9700\u8981\u68c0\u6d4b\u7279\u5b9a\u670d\u52a1\u89c6\u89d2\u65f6\u6307\u5b9a\u5916\u90e8\u89e3\u6790\u5668\u3002<\/p>\n<p>\u5927\u591a\u6570\u56e2\u961f\u6700\u7ec8\u4f1a\u5728\u68c0\u6d4b\u4e2d\u8fd0\u884c\u591a\u79cd\u6a21\u5f0f\uff0c\u56e0\u4e3a\u5355\u4e00\u76d1\u63a7\u5f88\u5c11\u56de\u7b54\u6240\u6709\u95ee\u9898\u3002\u5c06\u6a21\u5f0f\u4e0e\u68c0\u6d4b\u76ee\u7684\u5339\u914d\uff0c\u8ba9\u4f60\u7684\u6570\u636e\u771f\u5b9e\u53cd\u6620 DNS \u72b6\u51b5\u3002<\/p>\n<div class=\"cta\">\n<h2 id='\u5728-dns-\u635f\u4f24\u4f60\u7684\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\u4e4b\u524d\u5148\u884c\u76d1\u63a7'  id=\"boomdevs_13\">\u5728 DNS \u635f\u4f24\u4f60\u7684\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\u4e4b\u524d\u5148\u884c\u76d1\u63a7<\/h2>\n<p>\u8bbe\u7f6e\u9002\u5408\u6bcf\u9879\u68c0\u6d4b\u7684\u89e3\u6790\u6a21\u5f0f\uff0c\u8bb0\u5f55\u53d8\u5316\u77ac\u95f4\u83b7\u5f97\u544a\u8b66\u3002Dotcom-Monitor \u5229\u7528\u5168\u7403\u7f51\u7edc\u8fd0\u884c DNS \u76d1\u63a7\uff0c\u5e76\u63d0\u4f9b\u672c\u6587\u6307\u5357\u4e2d\u4ecb\u7ecd\u7684\u7f13\u5b58\u63a7\u5236\u529f\u80fd\u3002<\/p>\n<p><a class=\"btn\" href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e7%9b%91%e6%8e%a7%e4%ba%a7%e5%93%81\/dns-%e7%9b%91%e6%8e%a7%e5%b7%a5%e5%85%b7-dotcom-monitor\/\">\u63a2\u7d22 DNS \u76d1\u63a7<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Dotcom-Monitor \u7684 DNS 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