[Pdns-users] Inconsistent wildcard behaviour with and without DNSSEC

Peter Thomassen peter at desec.io
Fri Sep 9 18:52:18 UTC 2016


Hi Pieter,

On 09/09/2016 07:20 AM, Pieter Lexis wrote:
>> *.example.com.	IN	A 1.2.3.4
>> a.example.com.	IN	A 2.3.4.5
>>
>> Then, without DNSSEC enabled, asking for the A record of b.a.example.com
>> gives 1.2.3.4. However, with DNSSEC enable, the result is NXDOMAIN.
>>
>> So, there is a difference in how a wildcard record impacts higher-level
>> subdomains of a domain which is configured explicitly on the same level
>> as the wildcard record.
>>
>> Is this behavior intended?
> 
> Yes, this is proper behaviour. 

There was a typo in the test zone I had secured with DNSSEC. I am sorry
about the noise. I will verify test cases more thoroughly in the future.

> But you're not telling us the whole story, here is an empty non-terminal in your zone.

Is there? The example.com SOA record makes sure that example.com is not
empty, and rectify-zone did not generate an extra record. But you're
right, I should have posted it.

Best,
Peter

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