> On 25. 9. 2023, at 21:55, Thomas Leuxner <t...@leuxner.net> wrote: > > I believe this is related to a QNAME change in 9.18.17. I do understand that > Spamhaus technically might violate a RFC, but the standard qname setting > breaks a lot of mail servers which use Spamhaus.
It's not **might**, Spamhaus is violating DNS RFC and there's just no justification to support broken DNS servers, you need to complain to Spamhaus about this, not to BIND 9. Here's the situation described in more detail: https://kb.isc.org/docs/qname-minimization-and-spamhaus Ondřej -- Ondřej Surý (He/Him) ond...@sury.org
