mx.truezuid.nl has no NS records.
NS records for this zone are defined at truezuid.nl.
NS records for this zone are defined at truezuid.nl.
Question and response
Question
dig mx.truezuid.nl. NS
Answer
The response has no answer records.
Authority
truezuid.nl. 3600 SOA nsauth1.pinkzuid.nl. hostmaster.pinkzuid.nl. 2023050902 28800 7200 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0