nl1-tr100.supercp.com has no MX records.
Question and response
Question
dig nl1-tr100.supercp.com. MX
Answer
The response has no answer records.
Authority
supercp.com. 86400 SOA ns5.supercp.com. root.sr1.supercp.com. 2022072611 86400 7200 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0