dns2.spider.pl has no NS records.
NS records for this zone are defined at spider.pl.
NS records for this zone are defined at spider.pl.
Question and response
Question
dig dns2.spider.pl. NS
Answer
The response has no answer records.
Authority
spider.pl. 3600 SOA dns1.spider.pl. admin.spider.pl. 2024020802 7200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0