ns2.nines.nl has no MX records.
Question and response
Question
dig ns2.nines.nl. MX
Answer
The response has no answer records.
Authority
nines.nl. 300 SOA ns1.nines.nl. registry.nines.nl. 2024062409 86400 7200 3024000 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0