[Pdns-users] Retry NXDOMAIN with a secondary forwarder

[Erik Weber]

On Sat, Jan 7, 2012 at 6:30 PM, Richard Connon <conan at irconan.co.uk> wrote:
> On 07/01/2012 17:24, Peter van Dijk wrote:
>> On Jan 7, 2012, at 4:45 , Richard Connon wrote:
>>
>>> Is it possible through lua scripting or otherwise to configure powerdns
>>> to look NXDOMAIN responses up in a second forwarder before returning
>>> NXDOMAIN.
>>> To clarify I'd like it to go something like:
>>>
>>> lookup name in NS1
>>> if found in NS1:
>>>    return NS1 result
>>> else:
>>>    lookup name in NS2
>>>    return NS2 result
>>
>> Taking one step back: what actual problem are you trying to solve here?
>
> I want to overlay a set of names onto an existing DNS zone for which I don't
> control the nameserver.
> I have a number of names which are "mine" inside a zone managed "higher up"
> my organisation. The zone also contains lots of names which are not "mine".
> DNS updates can take over 3 weeks (ridiculous, no?) to happen on the actual
> organisational nameservers so I want to make a resolver which will reflect
> our changes immediately.

Could you possibly access "your" data by any other means than DNS
(like database or something)? If so, couldn't you just write a plugin
that checks your backend for the record and otherwise just return to
normal lookup mode?


-- 
Erik