{"id":9363,"date":"2022-03-29T12:10:53","date_gmt":"2022-03-29T04:10:53","guid":{"rendered":"https:\/\/egonlin.com\/?p=9363"},"modified":"2024-05-24T20:28:40","modified_gmt":"2024-05-24T12:28:40","slug":"%e5%85%ad%e3%80%81%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1%e6%89%8b%e6%ae%b5%e4%b9%8bdns%e8%bd%ae%e8%af%a2","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=9363","title":{"rendered":"\u516d\u3001\u8d1f\u8f7d\u5747\u8861\u624b\u6bb5\u4e4bDNS\u8f6e\u8be2"},"content":{"rendered":"<h1>\u4e00\u3001\u4ec0\u4e48\u662fDNS\u8f6e\u8be2<\/h1>\n<p>DNS\u8f6e\u8be2\u7684\u672c\u8d28\u5c31\u662f\u540c\u4e00\u4e2a\u4e3b\u673a\u8bb0\u5f55\u6dfb\u52a0\u591a\u6761A\u8bb0\u5f55\u89e3\u6790\uff0c\u89e3\u6790\u5230\u4e0d\u540c\u7684ip\u5730\u5740<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/03\/image-1711685192268.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/03\/image-1711685192268.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><br \/>\n\u8be6\u89e3\u5982\u4e0b\uff1a<br \/>\n\u5927\u591a\u6570\u57df\u540d\u6ce8\u518c\u5546\u90fd\u652f\u6301\u5bf9\u7edf\u4e00\u4e3b\u673a\u6dfb\u52a0\u591a\u6761A\u8bb0\u5f55\uff0c\u8fd9\u5c31\u662fDNS\u8f6e\u8be2\uff0cDNS\u670d\u52a1\u5668\u5c06\u89e3\u6790\u8bf7\u6c42\u6309\u7167A\u8bb0\u5f55\u7684\u987a\u5e8f\uff0c\u968f\u673a\u5206\u914d\u5230\u4e0d\u540c\u7684IP\u4e0a\uff0c\u8fd9\u6837\u5c31\u5b8c\u6210\u4e86\u7b80\u5355\u7684\u8d1f\u8f7d\u5747\u8861\u3002\u4e0b\u56fe\u7684\u4f8b\u5b50\u662f\uff1a\u67093\u53f0\u8054\u901a\u670d\u52a1\u5668\u30013\u53f0\u7535\u4fe1\u670d\u52a1\u5668\uff0c\u8981\u5b9e\u73b0\u201c\u8054\u901a\u7528\u6237\u6d41\u91cf\u5206\u644a\u52303\u53f0\u8054\u901a\u670d\u52a1\u5668\u3001\u5176\u4ed6\u7528\u6237\u6d41\u91cf\u5206\u644a\u5230\u7535\u4fe1\u670d\u52a1\u5668\u201d\u8fd9\u4e2a\u6548\u679c\u7684\u8bbe\u7f6e<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/03\/image-1711684873574.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/03\/image-1711684873574.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><\/p>\n<p>&nbsp;<\/p>\n<p>\u963f\u91cc\u4e91\u6dfb\u52a0<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/\u5fae\u4fe1\u56fe\u7247_20240524202452.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" class=\"alignnone size-full wp-image-10986\" data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/\u5fae\u4fe1\u56fe\u7247_20240524202452.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" width=\"1455\" height=\"799\"  sizes=\"(max-width: 1455px) 100vw, 1455px\" \/><\/div><\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/\u5fae\u4fe1\u56fe\u7247_20240524202400.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" class=\"alignnone size-full wp-image-10984\" data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/03\/\u5fae\u4fe1\u56fe\u7247_20240524202400.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" width=\"1434\" height=\"353\"  sizes=\"(max-width: 1434px) 100vw, 1434px\" \/><\/div><\/p>\n<pre class=\"code\"> [root@lb01 ~]# yum install bind-utils -y\r\n[root@lb01 ~]# host -t A egonlin.cn\r\negonlin.cn has address 222.222.222.222\r\negonlin.cn has address 111.111.111.111\r\n\r\n[root@lb01 ~]# host -t A www.sina.com.cn<\/pre>\n<div  class='collapse-block shadow-sm collapse-block-transparent collapsed hide-border-left'><div class='collapse-block-title'><span class='collapse-block-title-inner'>\u89e3\u6790\u51fa\u591a\u4e2aip\u6709\u4ec0\u4e48\u7528\u8be6\u89e3\uff1f<\/span><i class='collapse-icon fa fa-angle-down'><\/i><\/div><div class='collapse-block-body' style='display:none;'><\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><code>host -t A egonlin.cn<\/code>\u547d\u4ee4\u67e5\u8be2\u7684\u7ed3\u679c\u663e\u793a\uff0c\u57df\u540d<code>egonlin.cn<\/code>\u89e3\u6790\u5230\u4e86\u4e24\u4e2a\u4e0d\u540c\u7684IPv4\u5730\u5740\uff0c\u5206\u522b\u662f<code>222.222.222.222<\/code>\u548c<code>111.111.111.111<\/code>\u3002<\/div>\n<div><\/div>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">\u8fd9\u4e2a\u7ed3\u679c\u8868\u793a<code>egonlin.cn<\/code>\u914d\u7f6e\u4e86\u4e24\u4e2aA\u8bb0\u5f55\uff08A\u8bb0\u5f55\u662fDNS\u8bb0\u5f55\u7684\u4e00\u79cd\u7c7b\u578b\uff0c\u7528\u4e8e\u5c06\u57df\u540d\u8f6c\u6362\uff08\u89e3\u6790\uff09\u4e3aIPv4\u5730\u5740\uff09\u3002\u8fd9\u79cd\u914d\u7f6e\u901a\u5e38\u7528\u4e8e\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u548c\u9ad8\u53ef\u7528\u6027\uff0c\u5728DNS\u7ea7\u522b\u8fdb\u884c\u8d1f\u8f7d\u5206\u914d\u3002\u5f53\u6709\u7528\u6237\u5c1d\u8bd5\u8bbf\u95ee<code>egonlin.cn<\/code>\u65f6\uff0cDNS\u89e3\u6790\u53ef\u80fd\u4f1a\u8fd4\u56de\u4efb\u4e00\u5730\u5740\uff0c\u5177\u4f53\u8fd4\u56de\u54ea\u4e2a\u5730\u5740\u53d6\u51b3\u4e8eDNS\u670d\u52a1\u5668\u7684\u5904\u7406\u7b56\u7565\u3002<\/div>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">\u4e3b\u8981\u6709\u51e0\u79cd\u53ef\u80fd\u7684DNS\u5904\u7406\u7b56\u7565\uff1a<\/div>\n<ol class=\"auto-hide-last-sibling-br\">\n<li><strong>\u8f6e\u8be2\u89e3\u6790\uff08Round Robin\uff09<\/strong>\uff1a\u6bcf\u6b21\u8bf7\u6c42\u8f6e\u6d41\u8fd4\u56de\u4e00\u4e2a\u5730\u5740\u3002\u4f8b\u5982\uff0c\u7b2c\u4e00\u4e2a\u8bf7\u6c42\u53ef\u80fd\u8fd4\u56de<code>222.222.222.222<\/code>\uff0c\u800c\u7b2c\u4e8c\u4e2a\u8bf7\u6c42\u5219\u8fd4\u56de<code>111.111.111.111<\/code>\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002\u8fd9\u662f\u6700\u7b80\u5355\u7684\u8d1f\u8f7d\u5747\u8861\u65b9\u5f0f\u3002<\/li>\n<li><strong>\u57fa\u4e8e\u5730\u7406\u4f4d\u7f6e\u7684\u89e3\u6790<\/strong>\uff1aDNS\u670d\u52a1\u5668\u53ef\u80fd\u6839\u636e\u8bf7\u6c42\u8005\u7684\u5730\u7406\u4f4d\u7f6e\u8fd4\u56de\u6700\u8fd1\u6216\u54cd\u5e94\u6700\u5feb\u7684\u670d\u52a1\u5668\u5730\u5740\u3002<\/li>\n<li><strong>\u57fa\u4e8e\u8d1f\u8f7d\u7684\u89e3\u6790<\/strong>\uff1a\u67d0\u4e9b\u9ad8\u7ea7DNS\u670d\u52a1\u53ef\u4ee5\u76d1\u63a7\u5404\u4e2a\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\u60c5\u51b5\uff0c\u6839\u636e\u5b9e\u9645\u8d1f\u8f7d\u60c5\u51b5\u8c03\u6574\u8fd4\u56de\u7684A\u8bb0\u5f55\u3002<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">\u5b9e\u9645\u8bbf\u95ee<code>egonlin.cn<\/code>\u65f6\u83b7\u53d6\u5230\u7684IP\u5730\u5740\uff0c\u53ef\u80fd\u4f1a\u56e0DNS\u89e3\u6790\u7b56\u7565\u3001\u60a8\u7684\u7f51\u7edc\u4f4d\u7f6e\u3001\u4f7f\u7528\u7684DNS\u670d\u52a1\u5668\u4ee5\u53ca\u7f13\u5b58\u7b49\u56e0\u7d20\u800c\u4e0d\u540c\u3002\u5982\u679c\u60f3\u8981\u6d4b\u8bd5\u60a8\u5f53\u524d\u8bbf\u95ee<code>egonlin.cn<\/code>\u53ef\u80fd\u89e3\u6790\u5230\u7684IP\u5730\u5740\uff0c\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u6d4f\u89c8\u5668\u6216\u4f7f\u7528\u5de5\u5177\uff08\u5982<code>curl<\/code>\uff09\u8fdb\u884c\u8bbf\u95ee\u6d4b\u8bd5\uff0c\u6216\u8005\u4f7f\u7528<code>dig<\/code>\u547d\u4ee4\uff08\u5982\u679c\u53ef\u7528\uff09\u8fdb\u884c\u66f4\u8be6\u7ec6\u7684DNS\u67e5\u8be2\u5206\u6790<\/div>\n<p><\/div><\/div>\n<h1>\u4e8c\u3001\u57fa\u4e8eDNS\u8f6e\u8be2\u6765\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861<\/h1>\n<p>DNS\u6210\u672c\u8f83\u4f4e\uff0c\u6240\u4ee5\u5982\u679c\u7f51\u7ad9\u6bd4\u8f83\u5c0f\uff0c\u4f60\u90fd\u4e0d\u7528\u642d\u5efa\u81ea\u5df1\u7684\u8d1f\u8f7d\u5747\u8861\u670d\u52a1\u5668\uff0c\u76f4\u63a5\u628adns\u8f6e\u8be2\u5f53\u521d\u4f60\u7684\u8d1f\u8f7d\u5747\u8861\u670d\u52a1\u5668\u6765\u7528\u4e5f\u53ef\uff0c\u540e\u9762\u6302\u51e0\u53f0\u670d\u52a1\u5668\u6ca1\u5565\u95ee\u9898\uff0c<br \/>\n\u4f46\u662f\u5927\u578b\u7684\u7f51\u7ad9\u4e00\u822c\u4e5f\u4f1a\u5c06\u7528\u5b83\u548c\u5176\u4ed6\u8d1f\u8f7d\u5747\u8861\u7684\u65b9\u5f0f\u7ed3\u5408\u8d77\u6765\u4e00\u8d77\u4f7f\u7528\uff0cDNS\u8f6e\u8be2\u65b9\u5f0f\u63d0\u4f9b\u7684IP\u5730\u5740\uff0c\u5728\u5927\u578b\u7f51\u7ad9\u4e2d\u5f80\u5f80\u662f\u4e00\u4e2a\u96c6\u7fa4\u7684\u5730\u5740\uff0c\u53ef\u80fd\u662f\u5747\u8861\u4ea4\u6362\u673a\u4e5f\u53ef\u80fd\u662f\u5747\u8861\u670d\u52a1\u5668\u3002<\/p>\n<h1>\u4e09\u3001DNS\u8f6e\u8be2\u7684\u4f18\u7f3a\u70b9<\/h1>\n<h2>3.1 DNS\u8f6e\u8be2\u7684\u4f18\u70b9<\/h2>\n<p>1\u3001\u96f6\u6210\u672c\uff1a\u53ea\u662f\u5728DNS\u670d\u52a1\u5668\u4e0a\u7ed1\u5b9a\u51e0\u4e2aA\u8bb0\u5f55\uff0c\u57df\u540d\u6ce8\u518c\u5546\u4e00\u822c\u90fd\u514d\u8d39\u63d0\u4f9b\u89e3\u6790\u670d\u52a1\uff1b<br 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