[Pdns-users] PowerDNS creates empty/NULL records on update to 4.2.1

Edward Dore edward.dore at freethought-internet.co.uk
Fri Apr 24 21:56:33 UTC 2020

Hi Roman ,

Those are Empty Non-Terminals (ENT) - see https://tools.ietf.org/html/rfc4592#section-2.2.2.

If you’re using the API, then check your default-api-rectify (https://doc.powerdns.com/authoritative/settings.html#setting-default-api-rectify) setting. Otherwise, did you run "pdnsutil rectify-all-zones”?

Edward Dore 
Freethought Internet 

> On 24 Apr 2020, at 18:16, Roman Steinhart via Pdns-users <pdns-users at mailman.powerdns.com> wrote:
> Hey guys,
> I need a bit of your help and expertise with PowerDNS.
> Our PowerDNS runs with gmysql backend. Records are created dynamically by API. On average it contains ~30k records. 99% of the records are like this: https://paste.steinh.art/axazirogud.rb
> (Note the query)
> As soon as I update from PowerDNS 4.2.0 to PowerDNS 4.2.1 it creates two more records for the higher domain levels(_tcp.aft2d.aternos.me, aft2d.aternos.me) and a NULL value in the any other database field: https://paste.steinh.art/goyifuyedu.rb
> I checked the changelog of 4.2.1 and couldn't find anything which is related to this behaviour, so I consider this is a bug?
> Our PowerDNS is running on Ubuntu 16.04 with packages from PDns repos.
> Thanks in advance.
> -- 
> Roman Steinhart
> Aternos GmbH
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