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".
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[1]
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Configure Master DNS server.
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[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
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[2]
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Configure SLAVE DNS server.
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[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;
};
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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