Here's an example:
localhost.localdomain (Linux release 2.6.18-92.el5PAE #1 SMP Tue Jun 10 19:22:41 EDT 2008) (2) Password: Login incorrect login: stc Password: Last login: Thu Sep 15 07:54:04 from cal-60x0tm1.ad.spirentcom.com search cslab.com nameserver 10.98.0.11 [stc@localhost ~]$ nslookup Master_Bob Server: 10.98.0.11 Address: 10.98.0.11#53 Name: Master_Bob.cslab.com Address: 10.98.5.10 [stc@localhost ~]$ [stc@localhost ~]$ [stc@localhost ~]$ cat /etc/resolv.conf search cslab.com nameserver 10.98.0.11