Here are the stpes to configure local nameservers which would help you to resolve DNS for local resource installed on the LAN and Faster nslookup queery which will help to resolve the name very fast for intranet users.
1. Install packages : #yum install bind bind-chroot bind-libs bind-utils caching-nameserver
2. Configure RNDC :
#cd /var/named/chroot/etc [...]
