poczta.oeiizk.waw.pl has no NS records.
NS records for this zone are defined at oeiizk.waw.pl.
NS records for this zone are defined at oeiizk.waw.pl.
Question and response
Question
dig poczta.oeiizk.waw.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