lame reverse DNS?

[Kurt Jaeger]

Hi!

> The problem has been resolved but I still sometimes see "connect from
> unknown[2610:1c1:1:606c::19:2]" in the maillog (today: 6 of 131
> connections). Local unbound issue?

That IPv6 has a valid reverse DNS record, so please try to investigate.

Something like the output from:

dig +trace -t ptr 2.0.0.0.9.1.0.0.0.0.0.0.0.0.0.0.c.6.0.6.1.0.0.0.1.c.1.0.0.1.6.2.ip6.arpa

-- 
pi at opsec.eu            +49 171 3101372                    Now what ?