[Pdns-users] Queries .domain. Attack to root server?

[Stephane Bortzmeyer]

On Sun, Dec 13, 2015 at 03:48:05PM +0000,
 Federico Olivieri <lvrfrc87 at gmail.com> wrote 
 a message of 74 lines which said:

> Thanks for the hint.

You apparently did not get it.

> I wrote and iptables rule but seems not working

Completely unrelated to the problem.

> I think that I need to specify to block all domains with .domain at the end
> (a kind of *.domain)

No, no and no.