isp.pttk.pl has no NS records.
NS records for this zone are defined at pttk.pl.
NS records for this zone are defined at pttk.pl.
Question and response
Question
dig isp.pttk.pl. NS
Answer
The response has no answer records.
Authority
pttk.pl. 300 SOA ns0.pttk.pl. root.pttk.pl. 2024101002 604800 86400 2419200 1500
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0