[Pdns-users] CNAME RRset issues

Larry Wapnitsky larry at wapnitsky.com
Fri Mar 26 20:49:07 UTC 2021

That I get. That's why I deleted and applied.

Turns out the issue was in the PowerDNS Admin interface. I was able to fix

*Larry G. Wapnitsky*

*E: Larry at Wapnitsky.com*
*Web: Larry.Wapnitsky.com <http://larry.wapnitsky.com/>Twitter:

On Fri, Mar 26, 2021 at 4:43 PM Brian Candler <b.candler at pobox.com> wrote:

> On 26/03/2021 20:29, Larry Wapnitsky via Pdns-users wrote:
> I'm looking to replace A records with CNAMES, and have been able to do so seamlessly on one of my domains, but another keeps giving me errors relating to RRSET conflict ( IN CNAME: Conflicts with pre-existing RRset).
> I've deleted the necessary A records, yet keep running into the same issue.
> At any given point in the tree, you can't have both a CNAME and any other
> resource record.
> foo.bar.baz.   IN  MX mail.example.com.
> foo.bar.baz.   IN  CNAME abc.def.ghi.      ; NOT ALLOWED because it
> conflicts with the MX record
> This is most commonly a problem at the apex of a zone, where there are
> already SOA and NS records.
> The 'ALIAS' pseudo-RR exists to solve this problem.  It's not served
> directly, but when an incoming A/AAAA request arrives, the right-hand side
> of the ALIAS record is resolved (externally), and then the result of that
> is returned as the result of the original query.
> See: https://doc.powerdns.com/authoritative/guides/alias.html
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.powerdns.com/pipermail/pdns-users/attachments/20210326/baac9bda/attachment.htm>

More information about the Pdns-users mailing list