mta73.eu.mpssec.net has no MX records.
Question and response
Question
dig mta73.eu.mpssec.net. MX
Answer
The response has no answer records.
Authority
mpssec.net. 3600 SOA ns11.mpssec.net. hostmaster.anubisnetworks.com. 2025111038 7200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0