{"id":12263,"date":"2020-05-26T09:21:11","date_gmt":"2020-05-26T09:21:11","guid":{"rendered":"https:\/\/www.dotcom-monitor.com\/blog\/2020\/05\/26\/%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\/"},"modified":"2026-07-15T21:08:29","modified_gmt":"2026-07-15T21:08:29","slug":"%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","status":"publish","type":"post","link":"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\/","title":{"rendered":"\u5982\u4f55\u907f\u514dDNS\u6545\u969c"},"content":{"rendered":"<p>\u5728\u6211\u4eec\u5feb\u8282\u594f\u7684\u6570\u5b57\u4e16\u754c\u4e2d\uff0c\u53ef\u9760\u7684\u5728\u7ebf\u8bbf\u95ee\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u8fd9\u79cd\u53ef\u9760\u6027\u7684\u6838\u5fc3\u662f\u57df\u540d\u7cfb\u7edf\uff08DNS\uff09\uff0c\u901a\u5e38\u88ab\u79f0\u4e3a\u4e92\u8054\u7f51\u7684\u7535\u8bdd\u7c3f\u3002\u5b83\u5c06\u7528\u6237\u53cb\u597d\u7684\u57df\u540d\uff0c\u5982 www.example.com\uff0c\u8f6c\u6362\u6210\u8ba1\u7b97\u673a\u53ef\u4ee5\u8bc6\u522b\u7684 IP \u5730\u5740\u3002\u6ca1\u6709 DNS\uff0c\u6d4f\u89c8\u7f51\u9875\u5c06\u662f\u4e00\u9879\u8270\u5de8\u7684\u6311\u6218\uff0c\u56e0\u6b64\u4f01\u4e1a\u5fc5\u987b\u786e\u4fdd\u5176 DNS \u670d\u52a1\u59cb\u7ec8\u6b63\u5e38\u8fd0\u884c\u3002\u4e0d\u5e78\u7684\u662f\uff0cDNS \u6545\u969c\u53ef\u80fd\u53d1\u751f\uff0c\u5bfc\u81f4\u7f51\u7ad9\u65e0\u6cd5\u8bbf\u95ee\u548c\u670d\u52a1\u4e2d\u65ad\u7b49\u4ee4\u4eba\u6cae\u4e27\u7684\u540e\u679c\u3002\u5728\u8fd9\u7bc7\u535a\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u4ec0\u4e48\u662f DNS \u6545\u969c\u3001\u5e38\u89c1\u539f\u56e0\u4ee5\u53ca\u5982\u4f55\u907f\u514d\u5b83\u4eec\u3002  <\/p>\n<h2 id='\u4ec0\u4e48\u662f-dns-\u6545\u969c'  id=\"boomdevs_1\" id=\"what-are-dns-outages\">\u4ec0\u4e48\u662f DNS \u6545\u969c\uff1f<\/h2>\n<p>DNS \u6545\u969c\u53d1\u751f\u5728 DNS \u670d\u52a1\u65e0\u6cd5\u5c06\u57df\u540d\u89e3\u6790\u4e3a\u5bf9\u5e94\u7684 IP \u5730\u5740\u65f6\u3002\u8fd9\u610f\u5473\u7740\u5f53\u7528\u6237\u5c1d\u8bd5\u8bbf\u95ee\u7f51\u7ad9\u65f6\uff0c\u4ed6\u4eec\u7684\u8bf7\u6c42\u65e0\u6cd5\u88ab\u6ee1\u8db3\uff0c\u5bfc\u81f4<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/synthetic-application-monitoring-to-prevent-downtime\/\">\u505c\u673a<\/a>\u3002\u5f71\u54cd\u7684\u8303\u56f4\u53ef\u4ee5\u4ece\u5c0f\u7684\u4e0d\u4fbf\u5230\u4e25\u91cd\u7684\u4e2d\u65ad\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u6545\u969c\u7684\u89c4\u6a21\u548c\u53d7\u5f71\u54cd\u670d\u52a1\u7684\u91cd\u8981\u6027\u3002\u4e86\u89e3\u5982\u4f55\u9632\u6b62\u8fd9\u4e9b\u6545\u969c\u5bf9\u4e8e\u4fdd\u6301\u987a\u7545\u8fd0\u8425\u548c\u8ba9\u7528\u6237\u6ee1\u610f\u81f3\u5173\u91cd\u8981\u3002  <\/p>\n<h2 id='\u5e38\u89c1\u7684-dns-\u6545\u969c'  id=\"boomdevs_2\" id=\"common-dns-outages\">\u5e38\u89c1\u7684 DNS \u6545\u969c<\/h2>\n<h3 id='1-\u670d\u52a1\u5668\u914d\u7f6e\u9519\u8bef'  id=\"boomdevs_3\">1. \u670d\u52a1\u5668\u914d\u7f6e\u9519\u8bef<\/h3>\n<p>DNS \u6545\u969c\u6700\u5e38\u89c1\u7684\u539f\u56e0\u4e4b\u4e00\u662f\u670d\u52a1\u5668\u914d\u7f6e\u9519\u8bef\u3002\u5f53 DNS \u8bb0\u5f55\u8bbe\u7f6e\u4e0d\u6b63\u786e\u65f6\uff0c\u57df\u540d\u65e0\u6cd5\u6b63\u5e38\u89e3\u6790\u3002\u914d\u7f6e\u9519\u8bef\u901a\u5e38\u53d1\u751f\u5728\u4f8b\u884c\u66f4\u65b0\u6216\u8fc1\u79fb\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u5bfc\u81f4\u7528\u6237\u65e0\u6cd5\u8fde\u63a5\u5230\u5173\u952e\u8d44\u6e90\u3002  <\/p>\n<h3 id='2-\u7f51\u7edc\u8fde\u63a5\u95ee\u9898'  id=\"boomdevs_4\">2. \u7f51\u7edc\u8fde\u63a5\u95ee\u9898<\/h3>\n<p>DNS \u670d\u52a1\u5668\u9700\u8981\u7a33\u5b9a\u7684\u7f51\u7edc\u8fde\u63a5\u624d\u80fd\u6709\u6548\u5de5\u4f5c\u3002\u5982\u679c\u51fa\u73b0\u7f51\u7edc\u95ee\u9898\uff0c\u5982\u6570\u636e\u5305\u4e22\u5931\u6216\u5ef6\u8fdf\uff0c\u7528\u6237\u53ef\u80fd\u96be\u4ee5\u89e3\u6790\u57df\u540d\u3002\u8fd9\u7c7b\u95ee\u9898\u53ef\u80fd\u6765\u81ea\u4e0d\u540c\u6765\u6e90\uff0c\u5305\u62ec\u786c\u4ef6\u6545\u969c\u3001\u8def\u7531\u5668\u914d\u7f6e\u9519\u8bef\uff0c\u751a\u81f3\u662f\u60a8\u7684\u4e92\u8054\u7f51\u670d\u52a1\u63d0\u4f9b\u5546\uff08ISP\uff09\u7684\u95ee\u9898\u3002  <\/p>\n<h3 id='3-dns-\u670d\u52a1\u5668\u6545\u969c'  id=\"boomdevs_5\">3. DNS \u670d\u52a1\u5668\u6545\u969c<\/h3>\n<p>DNS \u670d\u52a1\u5668\u53ef\u80fd\u56e0\u786c\u4ef6\u6545\u969c\u3001\u8f6f\u4ef6\u6f0f\u6d1e\u6216\u5b89\u5168\u4e8b\u4ef6\u800c\u51fa\u73b0\u6545\u969c\u3002\u5982\u679c\u4e3b DNS \u670d\u52a1\u5668\u5b95\u673a\u4e14\u6ca1\u6709\u9002\u5f53\u7684\u6545\u969c\u5207\u6362\u673a\u5236\uff0c\u7528\u6237\u53ef\u80fd\u65e0\u6cd5\u8bbf\u95ee\u6240\u9700\u7684\u670d\u52a1\u3002  <\/p>\n<h3 id='4-ddos-\u653b\u51fb'  id=\"boomdevs_6\">4. DDoS \u653b\u51fb<\/h3>\n<p>\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1\uff08DDoS\uff09\u653b\u51fb\u5bf9 DNS \u670d\u52a1\u6784\u6210\u91cd\u5927\u98ce\u9669\u3002\u8fd9\u4e9b\u653b\u51fb\u901a\u8fc7\u5411 DNS \u670d\u52a1\u5668\u53d1\u9001\u5927\u91cf\u6d41\u91cf\uff0c\u5bfc\u81f4\u6027\u80fd\u7f13\u6162\u6216\u5b8c\u5168\u4e2d\u65ad\u3002\u968f\u7740\u5bf9\u5728\u7ebf\u670d\u52a1\u4f9d\u8d56\u7684\u589e\u52a0\uff0c\u9488\u5bf9 DNS \u670d\u52a1\u5668\u7684 DDoS \u653b\u51fb\u5a01\u80c1\u4e5f\u5728\u52a0\u5267\u3002  <\/p>\n<h3 id='5-ttl-\u8fc7\u671f\u548c\u7f13\u5b58\u95ee\u9898'  id=\"boomdevs_7\">5. TTL \u8fc7\u671f\u548c\u7f13\u5b58\u95ee\u9898<\/h3>\n<p>\u751f\u5b58\u65f6\u95f4\uff08TTL\uff09\u503c\u51b3\u5b9a\u4e86\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7f13\u5b58 DNS \u8bb0\u5f55\u7684\u65f6\u957f\u3002\u5982\u679c DNS \u8bb0\u5f55\u5df2\u66f4\u6539\u4f46 TTL \u5c1a\u672a\u8fc7\u671f\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u88ab\u5f15\u5bfc\u5230\u8fc7\u65f6\u6216\u9519\u8bef\u7684 IP \u5730\u5740\uff0c\u5bfc\u81f4\u8fde\u63a5\u5931\u8d25\u3002\u7f13\u5b58\u95ee\u9898\u4e5f\u53ef\u80fd\u5bfc\u81f4\u4e0d\u540c\u7528\u6237\u548c\u533a\u57df\u4e4b\u95f4\u7684 DNS \u89e3\u6790\u4e0d\u4e00\u81f4\u3002  <\/p>\n<h2 id='\u76d1\u63a7\u60a8\u7684-dns-\u7684\u91cd\u8981\u6027'  id=\"boomdevs_8\" id=\"the-importance-of-monitoring-your-dns\">\u76d1\u63a7\u60a8\u7684 DNS \u7684\u91cd\u8981\u6027<\/h2>\n<p><a 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\/\">\u76d1\u63a7\u60a8\u7684 DNS<\/a> \u5bf9\u4e8e\u786e\u4fdd\u670d\u52a1\u4e0d\u4e2d\u65ad\u5e76\u7ef4\u6301\u53ef\u9760\u7684\u5728\u7ebf\u5b58\u5728\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/best-dns-monitoring-tools\/\">\u5b9a\u671f\u8ffd\u8e2a\u60a8\u7684 DNS \u6027\u80fd<\/a>\uff0c\u60a8\u53ef\u4ee5\u4e3b\u52a8\u53d1\u73b0\u6d41\u91cf\u6a21\u5f0f\u548c\u54cd\u5e94\u65f6\u95f4\u4e2d\u7684\u5f02\u5e38\uff0c\u53ca\u65f6\u89e3\u51b3\u95ee\u9898\uff0c\u9632\u6b62\u5176\u5347\u7ea7\u4e3a\u6545\u969c\u3002\u76d1\u63a7\u8fd8\u63d0\u4f9b\u4e86\u6709\u5173 DNS \u8fd0\u884c\u7684\u5b9d\u8d35\u89c1\u89e3\uff0c\u5e2e\u52a9\u60a8\u4f18\u5316\u914d\u7f6e\uff0c\u5b9e\u73b0\u66f4\u5feb\u7684\u54cd\u5e94\u65f6\u95f4\u548c\u66f4\u9ad8\u7684\u6574\u4f53\u6548\u7387\u3002\u6b64\u5916\uff0c\u5b83\u9a8c\u8bc1\u60a8\u7684\u6545\u969c\u5207\u6362\u673a\u5236\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\uff0c\u786e\u4fdd\u5907\u4efd\u670d\u52a1\u5668\u5728\u4e3b\u670d\u52a1\u5668\u51fa\u73b0\u6545\u969c\u65f6\u80fd\u591f\u53ca\u65f6\u63a5\u7ba1\u3002\u968f\u7740 DDoS \u653b\u51fb\u548c\u5176\u4ed6\u6f0f\u6d1e\u5a01\u80c1\u7684\u589e\u52a0\uff0c\u6301\u7eed\u7684 DNS \u76d1\u63a7\u8ba9\u60a8\u4fdd\u6301\u8b66\u60d5\uff0c\u4fdd\u62a4\u60a8\u7684 DNS \u57fa\u7840\u8bbe\u65bd\u5e76\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002  <\/p>\n<h2 id='\u5982\u4f55\u907f\u514d-dns-\u6545\u969c'  id=\"boomdevs_9\" id=\"how-to-avoid-dns-outages\">\u5982\u4f55\u907f\u514d DNS \u6545\u969c<\/h2>\n<p>\u9884\u9632 DNS \u6545\u969c\u5173\u952e\u5728\u4e8e\u79ef\u6781\u4e3b\u52a8\uff0c\u5e76\u91c7\u53d6\u4e00\u4e9b\u660e\u667a\u63aa\u65bd\u4fdd\u6301\u60a8\u7684\u5728\u7ebf\u4e1a\u52a1\u987a\u7545\u8fd0\u884c\u3002\u9996\u5148\uff0c\u9009\u62e9\u4e00\u4e2a\u53ef\u9760\u7684 DNS \u4f9b\u5e94\u5546\uff0c\u63d0\u4f9b\u5f3a\u6709\u529b\u7684\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\u4fdd\u8bc1\u548c\u4f18\u8d28\u652f\u6301\u3002\u8bbe\u7f6e\u591a\u4e2a\u5206\u5e03\u5728\u4e0d\u540c\u5730\u533a\u7684 DNS \u670d\u52a1\u5668\u4e5f\u662f\u4e00\u4e2a\u597d\u4e3b\u610f\u3002\u5982\u6b64\u4e00\u6765\uff0c\u5982\u679c\u4e00\u53f0\u670d\u52a1\u5668\u51fa\u73b0\u95ee\u9898\uff0c\u5176\u4ed6\u670d\u52a1\u5668\u53ef\u4ee5\u627f\u62c5<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/best-certificate-monitoring-solutions-with-slack-teams\/\">\u538b\u529b<\/a>\uff0c\u907f\u514d\u4e2d\u65ad\u3002\u5b9a\u671f\u66f4\u65b0\u548c\u4fee\u8865\u60a8\u7684 DNS \u670d\u52a1\u5668\uff0c\u5bf9\u4e8e\u9632\u5fa1\u5b89\u5168\u5a01\u80c1\u548c\u4fdd\u6301\u7cfb\u7edf\u5e73\u7a33\u8fd0\u884c\u81f3\u5173\u91cd\u8981\u3002\u522b\u5fd8\u4e86\u5b9e\u65bd\u76d1\u63a7\u5de5\u5177\uff0c\u53ca\u65f6\u63d0\u9192\u60a8\u5b58\u5728\u7684\u6027\u80fd\u95ee\u9898\uff0c\u4ee5\u4fbf\u5728\u95ee\u9898\u53d8\u5927\u524d\u89e3\u51b3\u3002\u6700\u540e\uff0c\u4fdd\u6301\u826f\u597d\u7684 DNS \u914d\u7f6e\u7ba1\u7406\uff0c\u5c06\u5e2e\u52a9\u60a8\u5728\u51fa\u73b0\u95ee\u9898\u65f6\u5feb\u901f\u6392\u67e5\u3002\u9075\u5faa\u8fd9\u4e9b\u8d34\u5fc3\u5efa\u8bae\uff0c\u60a8\u5c31\u80fd\u8ba9 DNS \u50cf\u7cbe\u5bc6\u673a\u5668\u822c\u8fd0\u884c\uff0c\u786e\u4fdd\u7528\u6237\u83b7\u5f97\u65e0\u7f1d\u4f53\u9a8c\uff01  <\/p>\n<h2 id='\u4e3a\u4ec0\u4e48\u9009\u62e9-dotcom-monitor-\u8fdb\u884c-dns-\u76d1\u63a7'  id=\"boomdevs_10\" id=\"why-choose-dotcom-monitor-for-dns-monitoring\">\u4e3a\u4ec0\u4e48\u9009\u62e9 Dotcom-Monitor \u8fdb\u884c DNS \u76d1\u63a7<\/h2>\n<p>\u5728<strong><a 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\/\">DNS \u76d1\u63a7<\/a><\/strong>\u65b9\u9762\uff0cDotcom-Monitor \u662f\u6781\u4f73\u7684\u9009\u62e9\uff01\u6211\u4eec\u7684\u5e73\u53f0\u63d0\u4f9b\u5b9e\u65f6\u7684 DNS \u6027\u80fd\u76d1\u63a7\uff0c\u53ca\u65f6\u63d0\u9192\u60a8\u95ee\u9898\uff0c\u9632\u6b62\u6545\u969c\u5347\u7ea7\u3002\u4f7f\u7528 Dotcom-Monitor\uff0c\u60a8\u53ef\u4ee5\uff1a  <\/p>\n<ul>\n<li>\u83b7\u5f97\u6df1\u5165\u5206\u6790\uff1a\u6211\u4eec\u7684\u4eea\u8868\u677f\u5168\u9762\u5c55\u793a\u60a8\u7684 DNS \u6027\u80fd\uff0c\u5e2e\u52a9\u60a8\u8bc6\u522b\u8d8b\u52bf\u5e76\u505a\u51fa\u660e\u667a\u51b3\u7b56\u3002<\/li>\n<li>\u4e3b\u52a8\u8b66\u62a5\uff1a\u5f53 DNS 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