spf.matchcontact.net has no MX records.
Question and response
Question
dig spf.matchcontact.net. MX
Answer
The response has no answer records.
Authority
matchcontact.net. 300 SOA ns6-tk01.ocn.ad.jp. postmaster.matchcontact.net. 2024012603 1800 900 86400 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0