mx.elsat.net.pl has no NS records.
NS records for this zone are defined at elsat.net.pl.
NS records for this zone are defined at elsat.net.pl.
Question and response
Question
dig mx.elsat.net.pl. NS
Answer
The response has no answer records.
Authority
elsat.net.pl. 60 SOA dns10.ovh.net. tech.ovh.net. 2025093001 86400 3600 3600000 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0