relay02.smtp.qbranch.se has no MX records.
Question and response
Question
dig relay02.smtp.qbranch.se. MX
Answer
The response has no answer records.
Authority
qbranch.se. 300 SOA maud.qbranch.se. registry.qbranch.se. 2026013002 600 3600 691200 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0