long FQDN resolution

[Matus UHLAR - fantomas]

>Matus UHLAR - fantomas skrev den 2025-05-15 17:04:
>>turn off QNAME minimisation on DNS servers used by mailservers for 
>>DNSBL/DNSWL checks.

On 15.05.25 20:42, Benny Pedersen via bind-users wrote:
>make a better rbldnsd that support qname :)
>
>or dump zone from rbldnsd to bind.zone, the bind zone can be in sqlite 
>to not be so memory hungry
>
>or report to dnsbl that it does not support qname

This is completely irelevant, since DNSBL/DNSWL servers will get any kind of 
queries from the OP which is what causes the trouble.

The solution at OPs nameserver is to turn QNAME minimization off completely, 
unless it's possible only turn it for some domains (it's not now).


On 16.05.25 12:42, Petr Špaček wrote:
>All it would take to fix it is returning NOERROR instead of NXDOMAIN 
>when a record does not exist. Perhaps one line change.

from later discussion on this list, there's already issue open and patch waiting:

https://github.com/spamhaus/rbldnsd/issues/17


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