Most specific match on PTR records
Nikita Koshikov
koshikov at gmail.com
Thu Feb 21 18:20:23 UTC 2013
Hello list,
I'm trying to "cut" /24 network from the scope of /8 network, here is
example:
zone "11.2.10.in-addr.arpa" {
type forward;
forwarders { 192.168.1.23; 192.168.1.24; };
};
zone "10.in-addr.arpa" {
type master;
file "master/int/10.in-addr.arpa";
};
10.in-addr.arpa is just a file that returns NXDOMAIN for any 10.0.0.0/8 ip
address. But I need to forward requests for 10.2.11.0/24 net to other dns
servers and the above config not working.
I got empty responses for 10.2.11.0/24 net.
This is right: (192.168.1.8 - server with bind)
$ host -t ptr 10.1.1.1 192.168.1.8
Using domain server:
Name: 192.168.1.8
Address: 192.168.1.8#53
Aliases:
Host 1.1.1.10.in-addr.arpa. not found: 3(NXDOMAIN)
This is wrong:
$ host -t ptr 10.2.11.10 192.168.1.8
Using domain server:
Name: 192.168.1.8
Address: 192.168.1.8#53
Aliases:
Host 10.11.2.10.in-addr.arpa. not found: 3(NXDOMAIN)
This is expected answer from the forwarded server - 192.168.1.23
$ host -t ptr 10.2.11.10 192.168.1.23
Using domain server:
Name: 192.168.1.23
Address: 192.168.1.23#53
Aliases:
10.11.2.10.in-addr.arpa domain name pointer hawk-agent.local.intranet.
Can someone help with this ?
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