DNS server configuration using BIND

DNS stands for Domains Name System.

Below are the steps to configure a basic dns server


Few records used here are.
Mail Exchange record (MX record) - Used for exchanging mails.
A record - used to translate from a domain name to an IP address.
NS record -  lists which name servers can answer lookups on a DNS zone.
PTR record - Pointer record.

Step 1: Download & Install bind using following command.

# yum install bind bind* caching-nameserver

Step 2: Disable selinux&iptables.
#

Step 3: change your hostname to a fully qualified domain name.

Step 4: edit the hosts file as shown below,

Step 5: change the dns value as your required IP & Reboot the computer once.

Step 6:create a new file named.conf as below

# vi /etc/named.conf

Step 7:Create zones in /var/named as shown below,

# vi /var/named/zimoncloud.com.db

For forward lookup zone,

#vi /var/named/1.168.192.db

For reverse lookup zone

Step 8: Start the named service using following command.

# service named start

Step 9:To check whether dns is configured properly, issue the following command,