91-121-252-132.omdc.pl has no NS records.
NS records for this zone are defined at omdc.pl.
NS records for this zone are defined at omdc.pl.
Question and response
Question
dig 91-121-252-132.omdc.pl. NS
Answer
The response has no answer records.
Authority
omdc.pl. 86400 SOA ns5.omdc.pl. admin.omdc.pl. 2011042274 10800 5400 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0