011-nslookup的用法

若是主机多， 要肯定这些主机有没有DNS解析，nslookup简单实用

[chkusr@CNSZ041791 ~]$ nslookup cnsz181080
;; Got SERVFAIL reply from 10.11.86.15, trying next server
Server:         10.37.90.15
Address:        10.37.90.15#53

** server can't find cnsz181080: SERVFAIL
没有解析

[chkusr@CNSZ041791 ~]$ nslookup cnsz131303
Server:         10.11.86.15
Address:        10.11.86.15#53

Name:   cnsz131303.app.paic.com.cn
Address: 10.25.165.42
有解析