dns1.provector.pl has no NS records.
NS records for this zone are defined at provector.pl.
NS records for this zone are defined at provector.pl.
Question and response
Question
dig dns1.provector.pl. NS
Answer
The response has no answer records.
Authority
provector.pl. 3600 SOA dns1.provector.pl. hostmaster.provector.pl. 2022123010 3600 1201 2592000 86400
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0