ns2.mijndnsserver.nl has no MX records.
Question and response
Question
dig ns2.mijndnsserver.nl. MX
Answer
The response has no answer records.
Authority
mijndnsserver.nl. 7200 SOA ns1.mijndnsserver.nl. hostmaster.mijndnsserver.nl. 2025032701 28800 7200 2419200 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0