wask.wask.wroc.pl has no NS records.
NS records for this zone are defined at wask.wroc.pl.
NS records for this zone are defined at wask.wroc.pl.
Question and response
Question
dig wask.wask.wroc.pl. NS
Answer
The response has no answer records.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0