[designate] DKIM TXT record problem

Ionut Biru ionut at fleio.com
Mon Jun 24 07:33:26 UTC 2019


Hello,

Thanks. It worked.

On Sat, Jun 22, 2019 at 4:21 PM Jeremy Stanley <fungi at yuggoth.org> wrote:

> On 2019-06-22 15:11:15 +0300 (+0300), Ionut Biru wrote:
> > I'm running Rocky and as backend for designate I have powerdns.
> >
> > Whenever I try to add a TXT record for DKIM, the API returns that the
> > specified record is not a TXT record.
> >
> > https://paste.xinu.at/OOz7/
> >
> > It seems that is due to the length of the record It has a maxim a 255
> limit.
> >
> > How should I proceed in this case?
>
> A single TXT value string can not exceed 255 bytes in length. This is
> fundamental to the IETF's specification for the domain name system
> and has little to do with either Designate or PowerDNS. DKIM however
> takes into account that you may have keys whose representation
> exceeds the limits of a single string, and allows for splitting the
> key into additional parts:
>
>     https://tools.ietf.org/html/rfc6376#section-3.6.2.2
>
> I would try adding a space somewhere in the middle of the "p" field
> so that it is broken up into two shorter strings each no longer than
> 255 characters.
> --
> Jeremy Stanley
>


-- 
Ionut Biru - https://fleio.com
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