lin-vpn.dgcsystems.net has no MX records.
Question and response
Question
dig lin-vpn.dgcsystems.net. MX
Answer
The response has no answer records.
Authority
dgcsystems.net. 600 SOA ns1.dgcsystems.net. registry.dgc.se. 2026012701 3600 600 86400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0