我有一个ubuntu服务器(server01.example.com),其IPv4地址是10.11.12.6,在10.11.12.2有example.com域的DNS服务器.
当我在Windows 7机器上从cygwin挖掘server01.example.com时,我从DNS服务器得到了正确的答案.当我查看10.11.12.6时,我得到“server01.example.com”.当我nslookup server01.example.com我得到正确的答复.
当我ping服务器的IP地址时,我收到了回复.当我ping“server01”时,我收到了回复.
只有当我ping服务器的完全限定域名“server01.example.com”时才能获得“未知主机”.有谁知道这可能发生了什么？
附： – 我的真实域名(显然)不是example.com,但IP地址是真实的.
这是我查看server01.example.com时的wireshark捕获：
53 25.194795 server01.example.com dc01.example.com DNS 83 Standard query PTR 2.12.11.10.in-addr.arpa 54 25.194899 dc01.example.com server01.example.com DNS 114 Standard query response PTR dc01.example.com 55 25.197525 server01.example.com dc01.example.com DNS 92 Standard query A rabbit.example.com.example.com 56 25.197586 dc01.example.com server01.example.com DNS 156 Standard query response,No such name 57 25.198567 server01.example.com dc01.example.com DNS 92 Standard query AAAA rabbit.example.com.example.com 58 25.198633 dc01.example.com server01.example.com DNS 156 Standard query response,No such name 59 25.199559 server01.example.com dc01.example.com DNS 79 Standard query A rabbit.example.com 60 25.199663 dc01.example.com server01.example.com DNS 115 Standard query response CNAME app01.example.com A 10.11.12.6 61 25.200667 server01.example.com dc01.example.com DNS 79 Standard query AAAA rabbit.example.com 62 25.200736 dc01.example.com server01.example.com DNS 99 Standard query response CNAME app01.example.com
