Configuring basic DNS service with bind

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Configuring basic DNS service with bind

1. yum -y install bind bind-utils
2. Edit /etc/named.conf and append following lines:

   zone "rekallsoftware.com." IN {
   type master;
   file "rekallsoftware.com.forward";
   };

3. In '/etc/named.conf' make following modifications:
   1. listen-on port 53 {127.0.0.1; any;};
   2. allow-query {localhost; 10.0.0.0/8; 172.16.0.0/12; 192.168.0.0/16;};
   3. dnssec-enable no;
   4. dnssec-validation no;
4. Go to /var/named and create rekallsoftware.com.forward with contents similar to:

   $TTL 3600
   @ SOA ns.rekallsoftware.com. root.rekallsoftware.com. (1 15m 5m 30d 1h)
   NS ns.rekallsoftware.com.
   A 10.1.2.3
   ns              IN      A       10.1.1.1
   www             IN      A       10.1.2.3

5. Try "nslookup rekallsoftware.com 127.0.0.1"
6. Try "nslookup www.google.co.in 127.0.0.1". This will only work if machine has direct access to Internet at least for outgoing UDP port 53.

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