>> why they are asking? > > Because your computer is reachable on either > > dns.tensor.gdynia.pl. 10800 IN AAAA 2001:4070:101::1 > > or > > dns2.tensor.gdynia.pl. 10732 IN AAAA 2001:4070:101:1::2 no it is not! that's why i'm asking.