ejb.customer.dk.telia.net has no MX records.
Question and response
Question
dig ejb.customer.dk.telia.net. MX
Answer
The response has no answer records.
Authority
ejb.customer.dk.telia.net. 86400 SOA dns101.telia.com. dns.telia.dk. 2602242320 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0