mail.dnszones.nl has no NS records.
NS records for this zone are defined at dnszones.nl.
NS records for this zone are defined at dnszones.nl.
Question and response
Question
dig mail.dnszones.nl. NS
Answer
The response has no answer records.
Authority
dnszones.nl. 3600 SOA ns1.dnszones.eu. hostmaster.dnszones.eu. 2021101373 28800 7200 604800 3600
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0