mail00.home.net.pl has no NS records.
NS records for this zone are defined at home.net.pl.
NS records for this zone are defined at home.net.pl.
Question and response
Question
dig mail00.home.net.pl. NS
Answer
The response has no answer records.
Authority
home.net.pl. 3600 SOA dns.home.pl. admin.home.pl. 1574070386 14400 7200 2419200 3600
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0