DNS (Domain name system).

5.     Add below entry in /etc/resolv.conf file
      search localdomain home.com
      nameserver 192.168.216.131
6.     service network restart
7.     yum install bind* (you need yum server configured to work this command)
8.     change below entries in /etc/named.conf

listen-on port 53 { 192.168.216.131; };
# listen-on-v6 port 53 { ::1; }; (make this entry hashed)
allow-query { any; };
include “/etc/named.rfc1912.zones”;

9.     Change below entries in “/etc/named.rfc1912.zones”;

zone “home.com” IN {
type master;
file “forward.zone”;
allow-update { none; };
};

&  also below entry  for reverse lookup (Note: make sure that the IP is in reverse order )

zone “216.168.192.in-addr.arpa” IN {
type master;
file “reverse.zone”;
allow-update { none; };
};