mx.supermedia.pl has no NS records.
NS records for this zone are defined at supermedia.pl.
NS records for this zone are defined at supermedia.pl.
Question and response
Question
dig mx.supermedia.pl. NS
Answer
The response has no answer records.
Authority
supermedia.pl. 600 SOA dns1.supermedia.pl. dns.supermedia.pl. 2026022603 14400 7200 28800 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0