Configure DNS as a Slave Server2012/05/30 |
Configure DNS as a Slave Server. It's easy to set up it.
Following example shows an environment that master DNS is "dlp.srv.world", Slave DNS is "ns.example.host".
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[1] | Write config in Zone file on Master DNS. |
[root@dlp ~]#
vi /etc/named.conf # add IP address of slave DNS 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 2012053003 ;Serial 3600 ;Refresh 1800 ;Retry 604800 ;Expire 86400 ;Minimum TTL ) IN NS dlp.srv.world. # add name 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 ~]# systemctl restart named.service |
[2] | Configuration on Slave DNS. |
[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; }; systemctl restart named.service [root@ns ~]# ls /var/named/slaves srv.world.wan # zone file in master DNS has been just transfered |
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