ns1.managed-vps.net has no MX records.
Question and response
Question
dig ns1.managed-vps.net. MX
Answer
The response has no answer records.
Authority
managed-vps.net. 86400 SOA ns1.managed-vps.net. admin.managed-vps.net. 2026022396 86400 7200 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0