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今天碰到一个比较奇怪的问题。\r\n我的服务器配置了dns内容如下:\r\n- \r\nroot@test # more /etc/resolv.conf \r\nnameserver 10.1.1.62\r\nroot@test # dig [url]www.sohu.com[/url]\r\n\r\n; <<>> DiG 9.3.4-P1 <<>> [url]www.sohu.com[/url]\r\n;; global options: printcmd\r\n;; Got answer:\r\n;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1024\r\n;; flags: qr rd ra; QUERY: 1, ANSWER: 16, AUTHORITY: 0, ADDITIONAL: 0\r\n\r\n;; QUESTION SECTION:\r\n;[url]www.sohu.com.[/url] IN A\r\n\r\n;; ANSWER SECTION:\r\n[url]www.sohu.com.[/url] 315 IN CNAME d7.a.sohu.com.\r\nd7.a.sohu.com. 915 IN CNAME pgctczwt07.a.sohu.com.\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.26.163\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.26.174\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.26.175\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.26.176\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.69.232\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.69.233\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.69.234\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.69.235\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.69.236\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.69.237\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.19.228\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.19.229\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.26.161\r\npgctczwt07.a.sohu.com. 15 IN A 220.181.26.162\r\n\r\n;; Query time: 2 msec\r\n;; SERVER: 10.1.1.62#53(10.1.1.62)\r\n;; WHEN: Wed Feb 11 11:07:01 2009\r\n;; MSG SIZE rcvd: 298\r\n\r\nroot@test # ping [url]www.sohu.com[/url]\r\nping: unknown host [url]www.sohu.com[/url]\r\n
复制代码 \r\n能解析出sohu的ip地址,但是ping不通,这是为什么呢? |
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