BIND or named is the most widely used Domain Name System (DNS) software on the Internet.On Unix-like operating systems it is the de facto standard.[7][8] It performs both of the main DNS server roles - acting as an authoritative name server for one or more specific domains, and acting as a recursive resolver for the DNS system generally.
1. Install bind
[root@server data]# yum -y install bind bind-utils
1. Install bind
[root@server data]# yum -y install bind bind-utils