[Pdns-users] Glue records in PowerDNS and MySQL backend

[Curtis Maurand]

You’re missing a period (dot) at the end of your ns1 record 

Sent from my iPhone

> On Jan 11, 2023, at 10:31 AM, Brian Candler via Pdns-users <pdns-users at mailman.powerdns.com> wrote:
> 
> On 11/01/2023 15:13, Carsten Schmitz via Pdns-users wrote:
>> 
>> Hello,
>> 
>> My case is a bit complicated:
>> 
>> I run a PowerDNS  server with a zone "firstdomain.org" which is using a name server name ns1.seconddomain.org .
>> 
> Please read:
> 
> https://blog.powerdns.com/2016/01/18/open-source-support-out-in-the-open/
> 
> If you give the actual domain names, we can help you with those domains.
> 
> But setting that aside, it sounds like you're asking for something which is not supported by any DNS server: replying with out-of-zone information in the 'additional' section.
> 
> Historically, caches used to accept and store this information, but it was used as a source of cache poisoning attacks - so caches were changed to ignore it.  As a result, even if you *could* include those hints, they would be thrown away.
> 
> Caches have to follow the full recursive process to resolve the IP address of your domain's nameservers, and that's normal.  As long as those A records don't have low TTLs, then caching will mean they rarely need to be looked up.  (I'd suggest at least 8 hours, preferably 24, for A records for nameservers).
> 
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