Configure Slave DNS Server
2014/07/10
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Configure Slave DNS Server.
The following example shows an environment that Master DNS is "dlp.server.world", Slave DNS is "ns.example.host".
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| [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/server.world.wan
$TTL 86400 @ IN SOA dlp.server.world. root.server.world. (
# update serial
2014071003 ;Serial 3600 ;Refresh
1800 ;Retry
604800 ;Expire
86400 ;Minimum TTL
)
IN NS dlp.server.world.
# add Slave server
IN NS ns.example.host. IN A 172.16.0.82
IN MX 10 dlp.server.world.
dlp IN A 172.16.0.82
[root@dlp ~]#
systemctl restart named
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| [2] | Configure SLAVE DNS server. |
[root@ns ~]#
vi /etc/named.conf
# add lines like below
zone "server.world" IN {
type slave;
masters { 172.16.0.82; };
file "slaves/server.world.wan";
notify no;
};
systemctl restart named
[root@ns ~]#
ls /var/named/slaves
server.world.wan
# zone file from Master server has been just transfered
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