mx1.centuria.pl has no NS records.
NS records for this zone are defined at centuria.pl.
NS records for this zone are defined at centuria.pl.
Question and response
Question
dig mx1.centuria.pl. NS
Answer
The response has no answer records.
Authority
centuria.pl. 600 SOA ns1-201.azure-dns.com. linux.centuria.pl. 2021110913 3600 600 1209600 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0