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