Hi Daniel, thanks for your reply.
> > Try enabling the 'debug' log level to see unauthorized requests. Ok. I've enabled 'debug' now and wait for the issue appearing again. > Is it the same with ISC's nsupdate? No idea, I did not try it yet. > Btw, what is your version of Knot DNS? 2.8.1 Best regards Bjoern -- https://lists.nic.cz/cgi-bin/mailman/listinfo/knot-dns-users
