lin02a.misterdomain.eu has no MX records.
Question and response
Question
dig lin02a.misterdomain.eu. MX
Answer
The response has no answer records.
Authority
misterdomain.eu. 3600 SOA mrddns001.misterdomain.eu. domainmaster.misterdomain.eu. 2026030951 10800 3600 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0