nsa2.isp.hu has no NS records.
NS records for this zone are defined at isp.hu.
NS records for this zone are defined at isp.hu.
Question and response
Question
dig nsa2.isp.hu. NS
Answer
The response has no answer records.
Authority
isp.hu. 44000 SOA nsa1.isp.hu. dnsadmin.isp.hu. 2025120502 43200 10400 1814400 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0