sshca.deic.dk has no MX records.
Question and response
Question
dig ha.wayf.dk. MX
Answer
The response has no answer records.
Authority
wayf.dk. 60 SOA hidden-master.nordu.net. hostmaster.nordu.net. 2026021800 28800 7200 604800 60
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0