DNS – Domain Name System configuration Server Setup in RHEL5 named.conf

Service name is named. It has the three configuration file named.conf
Forward.zone and reverse.zone.first install DNS by through following command
[root@rhel5 ~]# yum install bind* cachi*
After install file edit the configuration file
/var/named/chroot/etc/named.conf

options

{

directory "/var/named";

};

include "/etc/rndc.key";

zone "domainname.com" IN

{ type master; file forward.zone; allow-update { none; } };

zone "0.168.192.in-addr.arpa" IN

{type master; file reverse.zone; allow-update { none; }};

After install file give forward.zone and revers.zone file
Then edit forward.zone and reverse.zone file located in /var/named/chroot/var/named
I indicate the important thing in the DNS configuration Screen shot. For forward.zone and reverse.zone file .
Forward Zone Syntax

Host Name   IN(internet)   A(Address)   IP ADDRESS

Reverse Zone Syntax

IP ADDRESS  IN(internet)   PTR(Pointer)   Host Name

Go to the /etc/resolv.conf file give the server name and ip address
Search rhel5.com
Nameserver 192.168.0.1
Then add host /etc/hosts
After configure these all the things restart the service