Ubuntu 15.04
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Slave Server Settings2015/04/24

Configure BIND as a Slave DNS Server.
The following example shows an environment that master DNS is "", Slave DNS is "slave.example.host".
[1] Configure DNS master server.
vi /etc/bind/named.conf.options
options {
directory "/etc/bind";
// If there is a firewall between you and nameservers you want

// to talk to, you may need to fix the firewall to allow multiple

// ports to talk. See http://www.kb.cert.org/vuls/id/800113
// If your ISP provided one or more IP addresses for stable

// nameservers, you probably want to use them as forwarders.

// Uncomment the following block, and insert the addresses replacing

// the all-0's placeholder.
// forwarders {


// };
# add a range you allow to transfer zones

allow-transfer { localhost;;;
auth-nxdomain no; # conform to RFC1035

listen-on-v6 { none; };

rndc reload

server reload successful
[2] Configure DNS slave server.
vi /etc/bind/named.conf.external-zones
# add settings like follows

        zone "srv.world" {
                type slave;
                masters {; };
                file "/etc/bind/slaves/srv.world.wan";

mkdir /etc/bind/slaves

chown bind. /etc/bind/slaves

rndc reload

server reload successful
ls /etc/bind/slaves

# zone file in master DNS has been just transfered
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