dns02.ports.se has no MX records.
Question and response
Question
dig dns02.ports.se. MX
Answer
The response has no answer records.
Authority
ports.se. 3600 SOA ns1.p201.dns.oraclecloud.net. registry.ports.net. 2025070700 1800 900 1814400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0