mx1.a3mail.se has no MX records.
Question and response
Question
dig mx1.a3mail.se. MX
Answer
The response has no answer records.
Authority
a3mail.se. 3600 SOA ns1.a3network.se. a3foretag.dinsupport.se. 2025110300 14400 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0