pdns1.rootvps.pl has no NS records.
NS records for this zone are defined at rootvps.pl.
NS records for this zone are defined at rootvps.pl.
Question and response
Question
dig pdns1.rootvps.pl. NS
Answer
The response has no answer records.
Authority
rootvps.pl. 3600 SOA pdns1.rootvps.pl. admin.hitme.pl. 2019102401 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0