Configure Slave DNS Server

Configure Slave DNS Server
2014/08/02
Configure Slave DNS Server.
The following example shows an environment that Master DNS is "dlp.srv.world", Slave DNS is "ns.example.host".
[1]
Configure Master DNS server.

[root@dlp ~]#
vi /etc/named.conf
# add an IP address of slave DNS server

allow-transfer { localhost;
172.16.0.85;
};
[root@dlp ~]#
vi /var/named/srv.world.wan
$TTL 86400
@   IN  SOA     dlp.srv.world. root.srv.world. (
# update serial

      2014080203  ;Serial
      3600        ;Refresh
       1800        ;Retry
       604800      ;Expire
       86400       ;Minimum TTL
)
       IN  NS      dlp.srv.world.
# add Slave server

      IN  NS      ns.example.host.
      IN  A       172.16.0.82
       IN  MX 10   dlp.srv.world.

dlp     IN  A       172.16.0.82

[root@dlp ~]#
rndc reload

server reload successful

[2]
Configure SLAVE DNS server.
[root@ns ~]#
vi /etc/named.conf
# add lines like below

  zone "srv.world" IN {
       type slave;
       masters { 172.16.0.82; };
       file "slaves/srv.world.wan";
       notify no;
   };

[root@ns ~]#
rndc reload

server reload successful
[root@ns ~]#
ls /var/named/slaves

srv.world.wan
# zone file from Master server has been just transfered

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