nslookup command not working in Linux

1.Check  the nslookup command

[root@node1 /]# nslookup  uniplanetary.mylabserver.com

-bash: nslookup: command not found

2.install nslookup package bind-utils

[root@node1 /]# yum install bind-utils

Loaded plugins: fastestmirror

Loading mirror speeds from cached hostfile

* base: centos.usonyx.net

* epel: epel.mirror.angkasa.id

* extras: centos.usonyx.net

* nux-dextop: mirror.li.nux.ro