{"id":833,"date":"2024-10-12T14:32:58","date_gmt":"2024-10-12T06:32:58","guid":{"rendered":"https:\/\/www.yilus5.com\/blog\/?p=833"},"modified":"2025-10-14T14:51:42","modified_gmt":"2025-10-14T05:51:42","slug":"%e5%8a%a8%e6%80%81%e4%bb%a3%e7%90%86ip%e4%b8%8e%e9%9d%99%e6%80%81%e4%bb%a3%e7%90%86ip%ef%bc%9a%e5%a6%82%e4%bd%95%e9%80%89%e6%8b%a9%e6%9c%80%e4%bd%b3%e4%bb%a3%e7%90%86%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yilus5.com\/blog\/833.html","title":{"rendered":"\u6570\u636e\u770b\u677f\u4e24\u5730\u5237\u65b0\u4e0d\u4e00\u81f4\uff1f\u5207\u6362\u89e3\u6790\u5668\u548c TTL \u80fd\u6821\u6b63\u5417\uff1f"},"content":{"rendered":"\n

\u5f88\u591a\u8de8\u5883\u56e2\u961f\u90fd\u9047\u5230\u8fc7\u8fd9\u6837\u7684\u5c34\u5c2c\u573a\u666f\uff1a
\u603b\u90e8\u770b\u6570\u636e\u770b\u677f\uff0c\u8ba2\u5355\u6570\u662f 980<\/strong>\uff1b
\u6d77\u5916\u5206\u90e8\u5237\u65b0\u9875\u9762\uff0c\u5374\u663e\u793a 967<\/strong>\u3002
\u540c\u4e00\u4e2a\u7cfb\u7edf\u3001\u540c\u4e00\u4e2a\u65f6\u95f4\u6bb5\uff0c\u7ed3\u679c\u5374\u4e0d\u4e00\u81f4\u3002
\u8fd9\u4e0d\u662f\u7cfb\u7edf\u8ba1\u7b97\u51fa\u9519\uff0c\u800c\u662f DNS \u89e3\u6790\u4e0e\u7f13\u5b58 TTL \u8bbe\u7f6e\u5bfc\u81f4\u7684\u8de8\u533a\u5ef6\u8fdf\u540c\u6b65<\/strong>\u3002
\u4eca\u5929\uff0c\u6613\u8def\u4ee3\u7406<\/strong>\u5e26\u4f60\u5f7b\u5e95\u641e\u6e05\u695a\u4e3a\u4ec0\u4e48\u770b\u677f\u4f1a\u201c\u4e24\u5730\u4e0d\u540c\u6b65\u201d\uff0c\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u89e3\u6790\u5668\u4f18\u5316\u5b9e\u73b0\u5168\u5c40\u4e00\u81f4\u3002<\/p>\n\n\n\n

\n\n\n\n

\u4e00\u3001\u4e3a\u4ec0\u4e48\u6570\u636e\u770b\u677f\u4f1a\u201c\u4e24\u5730\u4e0d\u540c\u6b65\u201d<\/h2>\n\n\n\n
    \n
  1. CDN \u6216 DNS \u7f13\u5b58\u6ede\u540e<\/strong>
    \u8de8\u533a\u8bbf\u95ee\u65f6\uff0c\u8bf7\u6c42\u4f1a\u843d\u5230\u4e0d\u540c\u7684 CDN \u8fb9\u7f18\u8282\u70b9\u3002
    \u5982\u679c TTL\uff08\u7f13\u5b58\u751f\u5b58\u65f6\u95f4\uff09\u8bbe\u7f6e\u8fc7\u957f\uff0c\u6d77\u5916\u8282\u70b9\u66f4\u65b0\u6162\u4e00\u6b65\uff0c\u663e\u793a\u7684\u4ecd\u662f\u65e7\u6570\u636e\u3002<\/li>\n\n\n\n
  2. DNS \u89e3\u6790\u5c42\u5dee\u5f02<\/strong>
    \u4e0d\u540c\u5730\u533a\u4f7f\u7528\u7684\u89e3\u6790\u5668\u4e0d\u4e00\u6837\uff0c\u6709\u7684\u4f7f\u7528\u672c\u5730 ISP\uff0c\u6709\u7684\u7528\u516c\u5171 DNS\u3002
    \u7ed3\u679c\u662f\uff1a\u4e0d\u540c\u5206\u90e8\u8bbf\u95ee\u7684\u201c\u770b\u677f\u63a5\u53e3\u201d\u5176\u5b9e\u6307\u5411\u4e0d\u540c\u7684\u6570\u636e\u4e2d\u5fc3\u3002<\/li>\n\n\n\n
  3. \u7f13\u5b58\u952e\uff08Cache Key\uff09\u4e0d\u7edf\u4e00<\/strong>
    \u4e00\u4e9b\u7cfb\u7edf\u628a\u8bed\u8a00\u3001\u533a\u57df\u53c2\u6570\u4e5f\u7b97\u5165\u7f13\u5b58\u952e\uff0c
    \u8fd9\u6837\u76f8\u540c\u8bf7\u6c42\u4f1a\u547d\u4e2d\u4e0d\u540c\u7f13\u5b58\u526f\u672c\uff0c\u6570\u636e\u81ea\u7136\u4e0d\u540c\u6b65\u3002<\/li>\n\n\n\n
  4. \u51fa\u53e3\u8def\u7531\u4e0e\u8282\u70b9\u5ef6\u8fdf<\/strong>
    \u8de8\u5883\u8bbf\u95ee\u7684\u8bf7\u6c42\u9700\u8981\u7ecf\u8fc7\u591a\u4e2a\u81ea\u6cbb\u7cfb\u7edf\u4e2d\u8f6c\u3002
    \u5373\u4fbf\u53ea\u662f\u51e0\u79d2\u949f\u7684\u5ef6\u8fdf\uff0c\u4e5f\u8db3\u4ee5\u9020\u6210\u770b\u677f\u7edf\u8ba1\u7684\u201c\u65f6\u95f4\u5dee\u201d\u3002<\/li>\n\n\n\n
  5. \u6570\u636e\u526f\u672c\u540c\u6b65\u7b56\u7565\u5dee\u5f02<\/strong>
    \u82e5\u540e\u7aef\u6570\u636e\u5e93\u91c7\u7528\u533a\u57df\u6027\u526f\u672c\u540c\u6b65\uff08\u5982\u591a\u4e91\u67b6\u6784\uff09\uff0c
    \u90e8\u5206\u8282\u70b9\u5ef6\u8fdf\u66f4\u65b0\u4f1a\u76f4\u63a5\u53cd\u6620\u5728\u770b\u677f\u6570\u503c\u4e0a\u3002<\/li>\n<\/ol>\n\n\n\n
    \n\n\n\n

    \u4e8c\u3001\u5207\u6362 DNS \u89e3\u6790\u5668\u4e3a\u4f55\u80fd\u663e\u8457\u6539\u5584\u540c\u6b65<\/h2>\n\n\n\n

    \u4e0d\u540c\u89e3\u6790\u5668\u7684\u66f4\u65b0\u9891\u7387\u4e0e\u7f13\u5b58\u7b56\u7565\u4e0d\u540c\u3002
    \u4f8b\u5982\uff1a<\/p>\n\n\n\n

      \n
    • \u516c\u5171 DNS\uff08Google\u3001Cloudflare\uff09\u89e3\u6790\u901f\u5ea6\u5feb\uff0c\u4f46\u7f13\u5b58\u5468\u671f\u56fa\u5b9a\u3002<\/li>\n\n\n\n
    • \u4f01\u4e1a\u81ea\u5efa\u9012\u5f52\u89e3\u6790\u5668\u53ef\u5b9e\u65f6\u5237\u65b0\uff0c\u4f46\u7ef4\u62a4\u6210\u672c\u9ad8\u3002<\/li>\n<\/ul>\n\n\n\n

      \u6613\u8def\u4ee3\u7406\u7684\u667a\u80fd\u89e3\u6790\u7cfb\u7edf<\/strong> \u80fd\u6839\u636e\u8bbf\u95ee\u5730\u3001\u5ef6\u8fdf\u4e0e\u8282\u70b9\u5065\u5eb7\u72b6\u6001\u81ea\u52a8\u5206\u914d\u6700\u4f18\u89e3\u6790\u6e90\u3002<\/p>\n\n\n\n

      \u5b9e\u6d4b\u7ed3\u679c\uff1a<\/h3>\n\n\n\n
      \u6d4b\u8bd5\u5730\u533a<\/th>\u89e3\u6790\u5668\u7c7b\u578b<\/th>\u5e73\u5747\u89e3\u6790\u5ef6\u8fdf<\/th>\u770b\u677f\u6570\u636e\u5ef6\u8fdf<\/th>\u4e00\u81f4\u6027\u63d0\u5347\u7387<\/th><\/tr><\/thead>
      \u65b0\u52a0\u5761<\/td>\u672c\u5730 ISP DNS<\/td>186ms<\/td>5.8\u79d2<\/td>–<\/td><\/tr>
      \u4f26\u6566<\/td>\u516c\u5171 DNS<\/td>142ms<\/td>3.6\u79d2<\/td>\u7ea6 +32%<\/td><\/tr>
      \u65e7\u91d1\u5c71<\/td>\u6613\u8def\u4ee3\u7406\u667a\u80fd\u89e3\u6790<\/td>57ms<\/strong><\/td>0.9\u79d2<\/strong><\/td>+86%<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
      \n

      \u7ecf\u591a\u5730\u5b9e\u6d4b\uff0c\u5207\u6362\u81f3\u667a\u80fd DNS \u540e\uff0c\u770b\u677f\u540c\u6b65\u5ef6\u8fdf\u5e73\u5747\u4e0b\u964d 80%\uff0c\u5168\u7403\u6570\u636e\u4e00\u81f4\u7387\u63d0\u5347\u81f3 99.7%\u3002<\/p>\n<\/blockquote>\n\n\n\n

      \n\n\n\n

      \u4e09\u3001TTL \u53c2\u6570\u8c03\u6574\u7684\u5173\u952e\u6280\u5de7<\/h2>\n\n\n\n

      TTL\uff08Time To Live\uff09\u5b9a\u4e49\u4e86 DNS \u7f13\u5b58\u7684\u751f\u5b58\u65f6\u95f4\uff0c\u662f\u5f71\u54cd\u770b\u677f\u540c\u6b65\u7684\u6838\u5fc3\u3002<\/p>\n\n\n\n

        \n
      • \u63a8\u8350 TTL \u533a\u95f4\uff1a60\u2013300 \u79d2<\/strong><\/li>\n<\/ul>\n\n\n\n
          \n
        • \u592a\u957f \u2192 \u6570\u636e\u66f4\u65b0\u6162\u3001\u7f13\u5b58\u6ede\u540e\u3002<\/li>\n\n\n\n
        • \u592a\u77ed \u2192 DNS \u8d1f\u8f7d\u8fc7\u9ad8\u3001\u54cd\u5e94\u9891\u7e41\u3002<\/li>\n<\/ul>\n\n\n\n
            \n
          • \u6309\u4e1a\u52a1\u7c7b\u578b\u7075\u6d3b\u8c03\u6574<\/strong><\/li>\n<\/ul>\n\n\n\n
              \n
            • \u5b9e\u65f6\u6570\u636e\u63a5\u53e3\uff08\u9500\u552e\u989d\u3001\u5e93\u5b58\uff09\uff1aTTL \u5efa\u8bae \u2264 180 \u79d2\uff1b<\/li>\n\n\n\n
            • \u62a5\u8868\u7c7b\u67e5\u8be2\u63a5\u53e3\uff1aTTL \u53ef\u653e\u5bbd\u81f3 300\u2013600 \u79d2\u3002<\/li>\n<\/ul>\n\n\n\n
                \n
              • \u542f\u7528\u52a8\u6001 TTL \u7b56\u7565<\/strong>
                \u6613\u8def\u4ee3\u7406<\/strong> \u7684\u201c\u667a\u80fd TTL \u7b97\u6cd5\u201d\u4f1a\u6839\u636e\u63a5\u53e3\u8bbf\u95ee\u9891\u7387\u548c\u5ef6\u8fdf\u6ce2\u52a8\u81ea\u52a8\u7f29\u77ed\u6216\u5ef6\u957f TTL\uff0c
                \u8ba9\u70ed\u70b9\u63a5\u53e3\u4fdd\u6301\u9ad8\u5b9e\u65f6\u6027\uff0c\u51b7\u95e8\u6570\u636e\u8282\u7701\u8bf7\u6c42\u8d1f\u8f7d\u3002<\/li>\n\n\n\n
              • \u7ed3\u5408\u8282\u70b9\u5065\u5eb7\u68c0\u6d4b<\/strong>
                \u5f53\u67d0\u4e2a\u5730\u533a\u8282\u70b9\u54cd\u5e94\u5ef6\u8fdf\u6216\u4e22\u5305\u4e0a\u5347\u65f6\uff0c\u7cfb\u7edf\u81ea\u52a8\u5207\u6362\u89e3\u6790\u76ee\u6807\uff0c
                \u786e\u4fdd\u8bbf\u95ee\u8def\u5f84\u59cb\u7ec8\u6307\u5411\u6700\u65b0\u3001\u6700\u7a33\u5b9a\u7684\u6e90\u3002<\/li>\n<\/ul>\n\n\n
                \n
                \"\"<\/figure>\n<\/div>\n\n\n
                \n\n\n\n

                \u56db\u3001\u6613\u8def\u4ee3\u7406\u7684\u6570\u636e\u540c\u6b65\u4f18\u5316\u65b9\u6848<\/h2>\n\n\n\n
                  \n
                • \u5168\u7403\u667a\u80fd DNS \u7f51\u7edc<\/strong>\uff1a\u591a\u5730\u81ea\u5efa\u9012\u5f52\u8282\u70b9\uff0c\u89e3\u6790\u5ef6\u8fdf\u964d\u4f4e 60%\u3002<\/li>\n\n\n\n
                • \u52a8\u6001 TTL \u81ea\u9002\u5e94\u7b97\u6cd5<\/strong>\uff1a\u5b9e\u65f6\u8c03\u6574\u7f13\u5b58\u751f\u5b58\u65f6\u95f4\uff0c\u5e73\u8861\u8d1f\u8f7d\u4e0e\u5b9e\u65f6\u6027\u3002<\/li>\n\n\n\n
                • \u8282\u70b9\u4e00\u81f4\u6027\u68c0\u6d4b\u673a\u5236<\/strong>\uff1a\u81ea\u52a8\u6bd4\u5bf9\u591a\u5730\u533a\u89e3\u6790\u7ed3\u679c\u5e76\u8fdb\u884c\u6821\u51c6\u3002<\/li>\n\n\n\n
                • DoH\/DoT \u52a0\u5bc6\u89e3\u6790\u652f\u6301<\/strong>\uff1a\u9632\u6b62 DNS \u6c61\u67d3\u4e0e\u7f13\u5b58\u7be1\u6539\u3002<\/li>\n\n\n\n
                • \u56fa\u5b9a\u51fa\u53e3\u673a\u5236<\/strong>\uff1a\u4fdd\u8bc1\u603b\u90e8\u4e0e\u5206\u90e8\u8d70\u76f8\u540c\u89e3\u6790\u903b\u8f91\uff0c\u5f7b\u5e95\u6d88\u9664\u533a\u57df\u5dee\u5f02\u3002<\/li>\n\n\n\n
                • API \u7ea7\u68c0\u6d4b\u5de5\u5177<\/strong>\uff1a\u53ef\u89c6\u5316\u76d1\u63a7\u5404\u5730\u7f13\u5b58\u5237\u65b0\u65f6\u95f4\uff0c\u652f\u6301 JSON \u8f93\u51fa\u7ed3\u679c\u6bd4\u5bf9\u3002<\/li>\n<\/ul>\n\n\n\n
                  \n\n\n\n

                  \u4e94\u3001\u5178\u578b\u4f7f\u7528\u573a\u666f<\/h2>\n\n\n\n
                    \n
                  1. \u8de8\u5883\u7535\u5546 BI \u7cfb\u7edf<\/strong>
                    \u603b\u90e8\u4e0e\u6d77\u5916\u4ed3\u80fd\u540c\u65f6\u770b\u5230\u5b9e\u65f6\u9500\u91cf\u3001\u5e93\u5b58\u4e0e\u9000\u8d27\u7387\u3002<\/li>\n\n\n\n
                  2. \u5e7f\u544a\u6295\u653e\u4eea\u8868\u76d8<\/strong>
                    \u907f\u514d\u56e0\u66dd\u5149\u91cf\u4e0d\u540c\u6b65\u5bfc\u81f4\u9884\u7b97\u5206\u914d\u9519\u8bef\u3002<\/li>\n\n\n\n
                  3. SaaS \u5e73\u53f0\u7ba1\u7406\u540e\u53f0<\/strong>
                    \u5168\u7403\u5ba2\u6237\u8bbf\u95ee\u76f8\u540c\u770b\u677f\u65f6\u4fdd\u6301\u7edf\u4e00\u7ed3\u679c\uff0c\u63d0\u5347\u4fe1\u4efb\u5ea6\u3002<\/li>\n\n\n\n
                  4. \u8de8\u56fd\u7269\u6d41\u8ffd\u8e2a\u5e73\u53f0<\/strong>
                    \u5b9e\u65f6\u540c\u6b65\u8d27\u7269\u72b6\u6001\uff0c\u4e0d\u518d\u51fa\u73b0\u201c\u6570\u636e\u5ef6\u8fdf\u534a\u5c0f\u65f6\u201d\u7684\u95ee\u9898\u3002<\/li>\n\n\n\n
                  5. \u91d1\u878d\u62a5\u8868\u7cfb\u7edf<\/strong>
                    \u5404\u5206\u652f\u673a\u6784\u5237\u65b0\u62a5\u8868\u65f6\uff0c\u7edf\u8ba1\u53e3\u5f84\u4e0e\u6570\u636e\u5ef6\u8fdf\u5b8c\u5168\u5bf9\u9f50\u3002<\/li>\n<\/ol>\n\n\n\n
                    \n\n\n\n

                    \u516d\u3001\u5b9e\u6d4b\u4f18\u5316\u7ed3\u679c<\/h2>\n\n\n\n
                    \u4f18\u5316\u524d\u540e\u5bf9\u6bd4<\/th>\u4f18\u5316\u524d<\/th>\u4f18\u5316\u540e\uff08\u4f7f\u7528\u6613\u8def\u4ee3\u7406\uff09<\/th>\u63d0\u5347\u5e45\u5ea6<\/th><\/tr><\/thead>
                    \u5e73\u5747\u89e3\u6790\u5ef6\u8fdf<\/td>210ms<\/td>58ms<\/strong><\/td>\u219172%<\/td><\/tr>
                    \u770b\u677f\u5237\u65b0\u5ef6\u8fdf<\/td>4.7\u79d2<\/td>1.1\u79d2<\/strong><\/td>\u219177%<\/td><\/tr>
                    \u6570\u636e\u4e00\u81f4\u7387<\/td>92.8%<\/td>99.8%<\/strong><\/td>\u21917.0%<\/td><\/tr>
                    \u7f13\u5b58\u8fc7\u671f\u540c\u6b65\u65f6\u95f4<\/td>10\u5206\u949f<\/td>90\u79d2<\/strong><\/td>\u219185%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                    \n

                    \u901a\u8fc7\u667a\u80fd\u89e3\u6790 + \u52a8\u6001 TTL\uff0c\u5168\u7403\u770b\u677f\u5237\u65b0\u5ef6\u8fdf\u964d\u4f4e\u81f3 1 \u79d2\u7ea7\uff0c
                    \u5b9e\u65f6\u6027\u548c\u4e00\u81f4\u6027\u5747\u8fbe\u5230\u4f01\u4e1a\u7ea7\u6807\u51c6\u3002<\/p>\n<\/blockquote>\n\n\n\n

                    \n\n\n\n

                    \u4e03\u3001HowTo\uff1a\u6570\u636e\u4e00\u81f4\u6027\u4f18\u5316\u5b9e\u64cd\u6b65\u9aa4<\/h2>\n\n\n
                    \n
                    \n\n

                    \u6570\u636e\u4e00\u81f4\u6027\u4f18\u5316\u5b9e\u64cd\u6b65\u9aa4<\/p>\n\n<\/div>\n\n

                    \n
                    \n

                    \u6b65\u9aa4\u4e00\uff1a\u68c0\u6d4b\u5f53\u524d\u89e3\u6790\u5ef6\u8fdf<\/strong><\/h3>\n

                    \u4f7f\u7528 nslookup<\/code> \u6216 dig<\/code> \u5de5\u5177\u67e5\u770b\u5f53\u524d\u57df\u540d\u89e3\u6790\u7684 TTL \u503c\u4e0e\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n<\/div>\n<\/div>\n

                    \n

                    \u6b65\u9aa4\u4e8c\uff1a\u542f\u7528\u6613\u8def\u4ee3\u7406\u667a\u80fd\u89e3\u6790<\/strong><\/h3>\n

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                    \n

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                    \n

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                    \n

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