Most specific match on PTR records

Matus UHLAR - fantomas uhlar at fantomas.sk
Fri Feb 22 09:47:06 UTC 2013


>On 21.02.2013 19:20, Nikita Koshikov wrote:
>>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";
>>         };

On 21.02.13 20:10, Hauke Lampe wrote:
>The local authoritative data takes precedence over a forward zone.

>>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.
>
>The easiest way might be to delegate the subdomain with a static-stub:
>
>          zone "11.2.10.in-addr.arpa" {
>                  type static-stub;
>                  server-addresses { 192.168.1.23; 192.168.1.24; };
>          };

so a "type static-stub" works, while "type forward" does not?
Is this another difference between those two types?

("type forward" has one advantage: it allows standard resolving to take
place when forwarding does not help.  But this is not the case.)

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Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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