{"id":76804,"date":"2023-08-26T01:39:17","date_gmt":"2023-08-25T17:39:17","guid":{"rendered":"http:\/\/lrxjmw.cn\/?p=76804"},"modified":"2023-08-26T01:39:17","modified_gmt":"2023-08-25T17:39:17","slug":"dnsmasq-dns","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/dnsmasq-dns.html","title":{"rendered":"dnsmasq\u914d\u7f6edns\u5b9e\u6218"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>\u7b2c\u4e00\u6b21\u7528\u8fd9\u4e2a\u5c0f\u8f6f\u4ef6\uff0c\u611f\u89c9\u8fd8\u4e0d\u9519\uff0c\u56e0\u4e3a\u6ca1\u6709\u50cfbind\u90a3\u6837\u914d\u7f6e\u8d77\u6765\u7e41\u7410\uff0c\u5e76\u4e14\u6211\u4eec\u4e5f\u4e0d\u9700\u8981\u53bb\u914d\u7f6e\u5f88\u591a\u6587\u4ef6\uff0c\u5185\u5916\u7f51\u8bbf\u95ee\u4e92\u4e0d\u5e72\u6d89\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-76845 aligncenter\" src=\"http:\/\/lrxjmw.cn\/wp-content\/uploads\/2017\/07\/dnsmasq-dns-01.png\" alt=\"\" width=\"539\" height=\"332\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2017\/07\/dnsmasq-dns-01.png 539w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2017\/07\/dnsmasq-dns-01-300x185.png 300w\" sizes=\"auto, (max-width: 539px) 100vw, 539px\" \/><\/p>\n<p>dnsmasq\u5148\u53bb\u89e3\u6790hosts\u6587\u4ef6\uff0c \u518d\u53bb\u89e3\u6790\/etc\/dnsmasq.d\/\u4e0b\u7684*.conf\u6587\u4ef6\uff0c\u5e76\u4e14\u8fd9\u4e9b\u6587\u4ef6\u7684\u4f18\u5148\u7ea7\u8981\u9ad8\u4e8ednsmasq.conf\uff0c\u6211\u4eec\u81ea\u5b9a\u4e49\u7684resolv.dnsmasq.conf\u4e2d\u7684DNS\u4e5f\u88ab\u79f0\u4e3a\u4e0a\u6e38DNS\uff0c\u8fd9\u662f\u6700\u540e\u53bb\u67e5\u8be2\u89e3\u6790\u7684\uff1b<\/p>\n<p>\u5982\u679c\u4e0d\u60f3\u7528hosts\u6587\u4ef6\u505a\u89e3\u6790\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\/etc\/dnsmasq.conf\u4e2d\u52a0\u5165no-hosts\u8fd9\u6761\u8bed\u53e5\uff0c\u8fd9\u6837\u7684\u8bdd\u5c31\u76f4\u63a5\u67e5\u8be2\u4e0a\u6e38DNS\u4e86\uff0c\u5982\u679c\u6211\u4eec\u4e0d\u60f3\u505a\u4e0a\u6e38\u67e5\u8be2\uff0c\u5c31\u662f\u4e0d\u60f3\u505a\u6b63\u5e38\u7684\u89e3\u6790\uff0c\u6211\u4eec\u53ef\u4ee5\u52a0\u5165no-reslov\u8fd9\u6761\u8bed\u53e5\u3002<\/p>\n<p>bind\u8fd9\u4e2aDNS\u592a\u5e9e\u5927\u4e86\uff0c\u5982\u679c\u4e00\u4e2a\u90e8\u95e8\u6216\u8005\u662f\u670d\u52a1\u8303\u56f4\u6bd4\u8f83\u5c0f\u7684\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u7528dnsmasq\u5b8c\u5168\u53ef\u4ee5\uff0c\u6bd5\u7adf\u914d\u7f6e\u8d77\u6765\u7b80\u5355\u65b9\u4fbf\uff0cdnsmasq\u5c31\u7528\u6765\u6211\u4eec\u516c\u53f8\u5185\u90e8\u57df\u540d\u548c\u516c\u7f51\u57df\u540d\u5b58\u5728\u51b2\u7a81\u6216\u8005\u662f\u81ea\u5df1\u7684\u57df\u540d\u6bd4\u8f83\u7279\u522b\u7684\u8bdd\u7528\u8d77\u6765\u6bd4\u8f83\u597d\uff0c\u4e5f\u4e0d\u5f71\u54cd\u6b63\u5e38\u7684\u5916\u7f51\u89e3\u6790\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>1.\u76f4\u63a5\u4f7f\u7528yum\u5b89\u88c5\uff0c\u5e76\u4e14\u8bbe\u7f6e\u5f00\u673a\u81ea\u542f,\u5173\u95edSELinux<\/strong><\/div>\n<pre>[root@localhost ]# yum install dnsmasq* -y\r\n\r\n[root@localhost ]# chkconfig dnsmasq on\r\n<\/pre>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>2.\u4fee\u6539\u672c\u5730\u7f51\u7edc\u914d\u7f6e\u6587\u4ef6<\/strong><\/div>\n<p><strong>\u4fee\u6539\u7f51\u5361\u53c2\u6570<\/strong><\/p>\n<pre>[root@localhost ~]# vim \/etc\/sysconfig\/network-scripts\/ifcfg-eth0\r\n\r\nDEVICE=eth0\r\n\r\nTYPE=Ethernet\r\n\r\nONBOOT=yes\r\n\r\nNM_CONTROLLED=yes\r\n\r\nBOOTPROTO=none\r\n\r\nIPADDR=172.19.30.250\r\n\r\nPREFIX=24\r\n\r\nGATEWAY=172.19.30.254\r\n\r\nDNS1=127.0.0.1\r\n\r\nDEFROUTE=yes\r\n\r\nIPV4_FAILURE_FATAL=yes\r\n\r\nIPV6INIT=no\r\n\r\nNAME=\u201dSystem eth0\u2033\r\n<\/pre>\n<p><strong>\u4fee\u6539<\/strong><strong>hostname<\/strong><\/p>\n<pre>[root@localhost ~]# vim \/etc\/sysconfig\/network\r\n\r\nNETWORKING=yes\r\n\r\nHOSTNAME=ad.cloud.com\r\n\r\nGATEWAY=172.19.30.254\r\n<\/pre>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>3.\u4fee\u6539iptables(\u5acc\u9ebb\u70e6\u7684\u76f4\u63a5\u5173\u6389\u5c31\u53ef\u4ee5\u4e86)<\/strong><\/div>\n<ul>\n<li><strong>\u5141\u8bb8\u672c\u673a\u7684<\/strong><strong>53<\/strong><strong>\u7aef\u53e3\u53ef\u5bf9\u5916\u8bbf\u95ee<\/strong><\/li>\n<\/ul>\n<pre>$\u00a0iptables\u00a0-A\u00a0INPUT\u00a0-p\u00a0udp\u00a0-m\u00a0udp\u00a0\u2013dport\u00a053\u00a0-j\u00a0ACCEPT\r\n\r\n$\u00a0iptables\u00a0-A\u00a0INPUT\u00a0-p\u00a0tcp\u00a0-m\u00a0tcp\u00a0\u2013dport\u00a053\u00a0-j\u00a0ACCEPT\r\n<\/pre>\n<ul>\n<li><strong>\u8f6c\u53d1<\/strong><strong>DNS<\/strong><strong>\u8bf7\u6c42<\/strong><\/li>\n<\/ul>\n<p>#\u00a0\u5f00\u542f\u6d41\u91cf\u8f6c\u53d1\u529f\u80fd<\/p>\n<pre>$\u00a0echo\u00a0\u20181\u2019\u00a0&gt;\u00a0\/proc\/sys\/net\/ipv4\/ip_forward\r\n\r\n$\u00a0echo\u00a0\u20181\u2019\u00a0&gt;\u00a0\/proc\/sys\/net\/ipv6\/ip_forward\u00a0 \u00a0#\u00a0IPv6\u00a0\u7528\u6237\u9009\u7528\r\n<\/pre>\n<p>#\u00a0\u6dfb\u52a0\u6d41\u91cf\u8f6c\u53d1\u89c4\u5219\uff0c\u5c06\u5916\u90e8\u523053\u7684\u7aef\u53e3\u7684\u8bf7\u6c42\u6620\u5c04\u5230Dnsmasq\u670d\u52a1\u5668\u768453\u7aef\u53e3<\/p>\n<pre>$\u00a0iptables\u00a0-t\u00a0nat\u00a0-A\u00a0PREROUTING\u00a0-p\u00a0udp\u00a0\u2013dport\u00a053\u00a0-j\u00a0REDIRECT\u00a0\u2013to-ports\u00a053\r\n\r\n$\u00a0iptables\u00a0-t\u00a0nat\u00a0-A\u00a0PREROUTING\u00a0-p\u00a0tcp\u00a0\u2013dport\u00a053\u00a0-j\u00a0REDIRECT\u00a0\u2013to-ports\u00a053\r\n<\/pre>\n<p>#\u00a0\u5982\u679c\u8981\u9650\u5236\u53ea\u5141\u8bb8\u5185\u7f51\u7684\u8bf7\u6c42\uff0c\u65b9\u6cd5\u5982\u4e0b,\u5982\u679c\u662f\u4e00\u4e2a\u7f51\u5361\uff0c\u76f4\u63a5\u628aeth1\u66ff\u6362\u6210eth0\u5373\u53ef<\/p>\n<pre>$\u00a0iptables\u00a0-t\u00a0nat\u00a0-A\u00a0PREROUTING\u00a0-i\u00a0eth1\u00a0-p\u00a0upd\u00a0\u2013dport\u00a053\u00a0-j\u00a0REDIRECT\u00a0\u2013to-port\u00a053<\/pre>\n<ul>\n<li style=\"list-style-type: none;\"><\/li>\n<li><strong>\u4fdd\u5b58\u89c4\u5219\u5e76\u91cd\u542f<\/strong><\/li>\n<\/ul>\n<pre>$\u00a0service\u00a0iptables\u00a0save $\u00a0service\u00a0iptables\u00a0restart<\/pre>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>4.\u4fee\u6539\/etc\/dnsmasq.conf<\/strong><\/div>\n<pre>[root@localhost dnsmasq.d]#\u00a0vim \/etc\/dnsmasq.conf\r\n\r\n\u586b\u5165\u4ee5\u4e0b\u5185\u5bb9\r\n\r\nno-hosts\r\n\r\n<\/pre>\n<p>#\u4e0d\u52a0\u8f7d\u672c\u5730\u7684\/etc\/hosts\u6587\u4ef6<\/p>\n<pre>local-ttl=3600<\/pre>\n<p>#\u672c\u5730\u7f13\u5b58\u65f6\u95f4\uff0c\u901a\u5e38\u4e0d\u8981\u6c42\u7f13\u5b58\u672c\u5730\uff0c\u8fd9\u6837\u66f4\u6539hosts\u6587\u4ef6\u540e\u5373\u4f7f\u751f\u6548<\/p>\n<pre>cache-size=1000000\r\n<\/pre>\n<p>#\u6700\u5927\u7f13\u5b58\u6761\u6570<\/p>\n<pre>dns-forward-max=1000000\r\n\r\nlisten-address=127.0.0.1,172.19.30.250\r\n<\/pre>\n<p>#\u5982\u679c\u60f3\u8981\u8fd9\u53f0\u670d\u52a1\u5668\u505a\u89e3\u6790\uff0c\u5c31\u8981\u586b\u4e0a\u81ea\u5df1\u7684\u5730\u5740\uff0c\u5e76\u4e14\u586b\u4e0a127.0.0.1\u7684\u5730\u5740<\/p>\n<pre>resolv-file=\/etc\/resolv.dnsmasq.conf\r\n<\/pre>\n<p>#\u8fd9\u4e2a\u6587\u4ef6\u662f\u53ef\u4ee5\u81ea\u5b9a\u4e49\u7684\uff0c\u6211\u5c31\u8ddf\u968f\u5927\u6d41\uff0c\u76f4\u63a5\u590d\u5236\u4e86\u4e00\u4efdresolv.conf\u6539\u4e86\u540d\u79f0\u5c31\u7528\u4e86<\/p>\n<pre>all-servers\r\n<\/pre>\n<p>#\u8fd9\u6761\u8bed\u53e5\u7684\u610f\u601d\u5c31\u662f\u5982\u679c\u672c\u5730\u6ca1\u67e5\u8be2\u5230\uff0c\u5219\u60f3\u6211\u4eec\u7684resolv.dnsmasq.conf\u6587\u4ef6\u4e2d\u6240\u6709\u7684DNS\u67e5\u8be2\uff0c\u8c01\u67e5\u5230\u7684\u5feb\u5c31\u7528\u8c01\u7684<\/p>\n<pre>log-queries\r\n<\/pre>\n<p>#\u5f00\u542f\u65e5\u5fd7\u9009\u9879<\/p>\n<pre>log-facility=\/var\/log\/dnsmasq\/dnsmasq.log\r\n\r\nlog-async=100\r\n<\/pre>\n<p>#\u5f02\u6b65log,\u7f13\u89e3\u963b\u585e\uff0c\u63d0\u9ad8\u6027\u80fd\u3002\u9ed8\u8ba4\u4e3a5\uff0c\u6700\u5927\u4e3a100<\/p>\n<pre>conf-dir=\/etc\/dnsmasq.d\r\n<\/pre>\n<p>#\u8fd9\u6761\u5e94\u8be5\u662f\u6700\u540e\u4e00\u53e5\uff0c\u5b83\u7684\u4f5c\u7528\u5176\u5b9e\u5c31\u662f\u8bf4\u660e\u8be5\u76ee\u5f55\u4e0b\u7684\u6240\u6709.conf\u6587\u4ef6\u90fd\u662f\u8981\u505a\u89e3\u6790\u7684<\/p>\n<p><strong>\u63d0\u793a\uff1a<\/strong>\u5982\u679c\u54b1\u4eec\u5185\u7f51\u4e2d\u5b58\u5728\u591a\u4e2a\u4e0d\u540c\u57df\u540d\uff0c\u6211\u4eec\u53ef\u4ee5\u52a0\u4e0a\u4e0a\u9762\u7684\u8fd9\u4e00\u53e5\uff0c\u6211\u4eec\u505a\u89e3\u6790\u65f6\u5c31\u597d\u5206\u7c7b\u914d\u7f6e\u6587\u4ef6<\/p>\n<h3><\/h3>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>5.\u6dfb\u52a0resolv\u89e3\u6790\u6587\u4ef6<\/strong><\/div>\n<p>\u4fee\u6539\u6211\u4eec\u521a\u624d\u590d\u5236\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u6307\u5b9a\u6211\u4eec\u6b63\u5e38\u9700\u8981\u7684DNS\uff0c\u8fd9\u6837\u7684\u8bdd\u6211\u4eec\u7684\u5185\u7f51\u5c31\u53ef\u4ee5\u6b63\u5e38\u7684\u4f7f\u7528\u7f51\u7edc\uff0c\u800c\u4e0d\u81f3\u4e8e\u7528\u4e86\u81ea\u5df1\u642d\u5efa\u7684DNS\uff0c\u5374\u8bbf\u95ee\u4e0d\u4e86\u4e92\u8054\u7f51\u3002<\/p>\n<pre>[root@localhost dnsmasq.d]#\u00a0vim \/etc\/resolv.dnsmasq.conf\r\n\r\nnameserver 202.106.0.20\r\n\r\nnameserver 192.168.59.241\r\n\r\nnameserver 114.114.114.114\r\n\r\nnameserver 8.8.8.8\r\n\r\nnameserver 168.95.1.1\r\n<\/pre>\n<p>#\u6700\u540e\u4e00\u6761\u4e3a\u53f0\u6e7e\u7684DNS,\u6211\u4eec\u82f9\u679c\u7684\u5b98\u65b9appstore\u4e0b\u8f7d\u4e1c\u897f\u4f1a\u5feb\u4e00\u4e9b\uff0c\u5e76\u4e14\u82f9\u679c\u7535\u8111\u5728\u7ebf\u91cd\u88c5\u7cfb\u7edf\u7528\u8fd9\u4e2aDNS\u4e5f\u4f1a\u5feb\u4e00\u4e9b<\/p>\n<h3><\/h3>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>6.\u6dfb\u52a0\u5176\u4ed6\u57df\u540d\u89e3\u6790<\/strong><\/div>\n<p>\u6211\u4eec\u5207\u6362\u5230\u8fd9\u4e2a\u76ee\u5f55\u4e0b\uff0c\u6dfb\u52a0\u6211\u4eec\u4e0d\u540c\u5185\u90e8\u57df\u540d\u7684\u89e3\u6790<\/p>\n<pre>[root@localhost dnsmasq.d]#cd \/etc\/dnsmasq.d\/\r\n<\/pre>\n<p>\u6dfb\u52a0\u4e00\u4e2a\u89e3\u6790\u6587\u4ef6<\/p>\n<pre>[root@localhost dnsmasq.d]#vim cloud.conf\r\n\r\n[root@localhost dnsmasq.d]# ls\r\n\r\ncloud.conf\u00a0 seccloud.conf\r\n<\/pre>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>7.\u914d\u7f6e\u6587\u4ef6\u8bed\u6cd5\u89c4\u5219<\/strong><\/div>\n<p>\u6b63\u5e38\u4e0b\u6211\u4eec\u6dfb\u52a0\u7684\u89e3\u6790\u5185\u5bb9\u5982\u4e0b\uff0c\u89e3\u6790\u5730\u5740\u7684\u8bed\u6cd5\u89c4\u5219\u4e3a\uff1a<\/p>\n<pre>address=\/domain\/ip_address\r\n\r\n[root@localhost dnsmasq.d]#cat cloud.conf\r\n\r\naddress=\/im.cloud.top\/192.168.59.12\r\n\r\naddress=\/git.cloud.top\/192.168.59.20\r\n\r\naddress=\/crm.cloud.top\/192.168.59.11\r\n\r\naddress=\/ftp.cloud.top\/172.19.2.253\r\n\r\naddress=\/note.cloud.top\/172.19.30.250\r\n<\/pre>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>8.\u542f\u52a8dnsmasq\u670d\u52a1<\/strong><\/div>\n<pre>[root@localhost ~]#service dnsmasq start<\/pre>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>9.\u6211\u4eec\u8fdb\u884c\u6d4b\u8bd5\u9a8c\u8bc1\uff1a<\/strong><\/div>\n<p>\u81ea\u5df1\u7684\u7b14\u8bb0\u672c\u4e0a\u57df\u540d\u8bbf\u95ee\u8fdb\u884c\u6d4b\u8bd5\uff1a<\/p>\n<pre>localhost:~ admin$ nslookup\r\n\r\n&gt; git.cloud.top\r\n\r\nServer:172.19.30.250\r\n\r\nAddress:172.19.30.250#53\r\n\r\nName:git.cloud.top\r\n\r\nAddress: 192.168.59.20\r\n\r\n&gt; <a href=\"http:\/\/www.baidu.com\/\" target=\"_blank\" rel=\"external nofollow noopener noreferrer\">www.baidu.com<\/a>\r\n\r\nServer:172.19.30.250\r\n\r\nAddress:172.19.30.250#53\r\n\r\nNon-authoritative answer:\r\n\r\n<a href=\"http:\/\/www.baidu.com\/\" target=\"_blank\" rel=\"external nofollow noopener noreferrer\">www.baidu.com<\/a>canonical name = <a href=\"http:\/\/www.a.shifen.com\/\" target=\"_blank\" rel=\"external nofollow noopener noreferrer\">www.a.shifen.com<\/a>.\r\n\r\nName:<a href=\"http:\/\/www.a.shifen.com\/\" target=\"_blank\" rel=\"external nofollow noopener noreferrer\">www.a.shifen.com<\/a>\r\n\r\nAddress: 61.135.169.121\r\n\r\nName:<a href=\"http:\/\/www.a.shifen.com\/\" target=\"_blank\" rel=\"external nofollow noopener noreferrer\">www.a.shifen.com<\/a>\r\n\r\nAddress: 61.135.169.125\r\n\r\n<\/pre>\n<p>\u7f13\u5b58\u9a8c\u8bc1\uff1a<\/p>\n<pre>[root@ad ~]# dig www.baidu.com\r\n\r\n; &lt;&lt;&gt;&gt; DiG 9.8.2rc1-RedHat-9.8.2-0.62.rc1.el6_9.2 &lt;&lt;&gt;&gt; www.baidu.com\r\n\r\n;; global options: +cmd\r\n\r\n;; Got answer:\r\n\r\n;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 21877\r\n\r\n;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 4, ADDITIONAL: 4\r\n\r\n;; QUESTION SECTION:\r\n\r\n;www.baidu.com.\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 IN\u00a0 \u00a0 A\r\n\r\n;; ANSWER SECTION:\r\n\r\nwww.baidu.com.\u00a0 \u00a0 \u00a0 \u00a0 223\u00a0 \u00a0 IN\u00a0 \u00a0 CNAME\u00a0 \u00a0 www.a.shifen.com.\r\n\r\nwww.a.shifen.com.\u00a0 \u00a0 549\u00a0 \u00a0 IN\u00a0 \u00a0 A\u00a0 \u00a0 119.75.213.61\r\n\r\nwww.a.shifen.com.\u00a0 \u00a0 549\u00a0 \u00a0 IN\u00a0 \u00a0 A\u00a0 \u00a0 119.75.216.20\r\n\r\n;; AUTHORITY SECTION:\r\n\r\nshifen.com.\u00a0 \u00a0 \u00a0 \u00a0 30440\u00a0 \u00a0 IN\u00a0 \u00a0 NS\u00a0 \u00a0 ns4.baidu.com.\r\n\r\nshifen.com.\u00a0 \u00a0 \u00a0 \u00a0 30440\u00a0 \u00a0 IN\u00a0 \u00a0 NS\u00a0 \u00a0 dns.baidu.com.\r\n\r\nshifen.com.\u00a0 \u00a0 \u00a0 \u00a0 30440\u00a0 \u00a0 IN\u00a0 \u00a0 NS\u00a0 \u00a0 ns2.baidu.com.\r\n\r\nshifen.com.\u00a0 \u00a0 \u00a0 \u00a0 30440\u00a0 \u00a0 IN\u00a0 \u00a0 NS\u00a0 \u00a0 ns3.baidu.com.\r\n\r\n;; ADDITIONAL SECTION:\r\n\r\ndns.baidu.com.\u00a0 \u00a0 \u00a0 \u00a0 4938\u00a0 \u00a0 IN\u00a0 \u00a0 A\u00a0 \u00a0 202.108.22.220\r\n\r\nns2.baidu.com.\u00a0 \u00a0 \u00a0 \u00a0 76100\u00a0 \u00a0 IN\u00a0 \u00a0 A\u00a0 \u00a0 61.135.165.235\r\n\r\nns3.baidu.com.\u00a0 \u00a0 \u00a0 \u00a0 31611\u00a0 \u00a0 IN\u00a0 \u00a0 A\u00a0 \u00a0 220.181.37.10\r\n\r\nns4.baidu.com.\u00a0 \u00a0 \u00a0 \u00a0 166964\u00a0 \u00a0 IN\u00a0 \u00a0 A\u00a0 \u00a0 220.181.38.10\r\n\r\n;; <strong>Query time: 59 msec<\/strong>\r\n\r\n;; SERVER: 127.0.0.1#53(127.0.0.1)\r\n\r\n;; WHEN: Sat Jul\u00a0 1 13:25:51 2017\r\n\r\n;; MSG SIZE\u00a0 rcvd: 226\r\n\r\n[root@ad ~]# dig www.baidu.com\r\n\r\n; &lt;&lt;&gt;&gt; DiG 9.8.2rc1-RedHat-9.8.2-0.62.rc1.el6_9.2 &lt;&lt;&gt;&gt; www.baidu.com\r\n\r\n;; global options: +cmd\r\n\r\n;; Got answer:\r\n\r\n;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 61460\r\n\r\n;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0\r\n\r\n;; QUESTION SECTION:\r\n\r\n;www.baidu.com.\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 IN\u00a0 \u00a0 A\r\n\r\n;; ANSWER SECTION:\r\n\r\nwww.baidu.com.\u00a0 \u00a0 \u00a0 \u00a0 215\u00a0 \u00a0 IN\u00a0 \u00a0 CNAME\u00a0 \u00a0 www.a.shifen.com.\r\n\r\nwww.a.shifen.com.\u00a0 \u00a0 541\u00a0 \u00a0 IN\u00a0 \u00a0 A\u00a0 \u00a0 119.75.216.20\r\n\r\nwww.a.shifen.com.\u00a0 \u00a0 541\u00a0 \u00a0 IN\u00a0 \u00a0 A\u00a0 \u00a0 119.75.213.61\r\n\r\n;; <strong>Query time: 0 msec<\/strong>\r\n\r\n;; SERVER: 127.0.0.1#53(127.0.0.1)\r\n\r\n;; WHEN: Sat Jul\u00a0 1 13:25:59 2017\r\n\r\n;; MSG SIZE\u00a0 rcvd: 93\r\n<\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u4e0a\u6b21\u89e3\u6790\u4fdd\u7559\u4e86\u7f13\u5b58\uff0c\u8fd9\u6b21\u89e3\u6790\u76f4\u63a5\u8bfb\u53d6\u4e86\u7f13\u5b58\u6587\u4ef6\u3002<\/p>\n<blockquote>\n<p style=\"text-align: left; color: #88a6a4;\">\u539f\u6587\u6765\u81ea\uff1a<a href=\"http:\/\/www.yunweipai.com\/archives\/21273.html\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.yunweipai.com\/archives\/21273.html<\/a><\/p>\n<p style=\"text-align: left; color: #88a6a4;\">\u672c\u6587\u5730\u5740\uff1a<a href=\"http:\/\/lrxjmw.cn\/dnsmasq-dns.html\" target=\"_blank\" rel=\"noopener noreferrer\"> http:\/\/lrxjmw.cn\/dnsmasq-dns.html<\/a><span style=\"float: right;\">\u7f16\u8f91\uff1a\u674e\u5e05\uff0c\u5ba1\u6838\u5458\uff1a\u51af\u632f\u534e<\/span><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u5bfc\u8bfb \u7b2c\u4e00\u6b21\u7528\u8fd9\u4e2a\u5c0f\u8f6f\u4ef6\uff0c\u611f\u89c9\u8fd8\u4e0d\u9519\uff0c\u56e0\u4e3a\u6ca1\u6709\u50cfbind\u90a3\u6837\u914d\u7f6e\u8d77\u6765\u7e41\u7410\uff0c\u5e76\u4e14\u6211\u4eec\u4e5f\u4e0d\u9700\u8981\u53bb\u914d\u7f6e\u5f88\u591a\u6587\u4ef6\uff0c\u5185\u5916 [&hellip;]<\/p>\n","protected":false},"author":63,"featured_media":76844,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-76804","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/76804","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/63"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=76804"}],"version-history":[{"count":10,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/76804\/revisions"}],"predecessor-version":[{"id":281190,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/76804\/revisions\/281190"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/76844"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=76804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=76804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=76804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}