[dns-operations] unbound fail to resolve domains hosted at domaincontrol.com

[A. Schulze]

A. Schulze via dns-operations:

> Hello,
>
> since thursday (June 26, 2025) we see an increasing amount of  
> SERVFAIL for some domains.
> Common pattern: the NS records point to ns*.domaincontol.com

looks like some "network filtering protecting our organization"
seem to block communication to domaincontrol.com nameservers.

sorry for the noise ...

Andreas