_spf.signicat.cloud has no MX records.
Question and response
Question
dig _spf.signicat.cloud. MX
Answer
The response has no answer records.
Authority
signicat.cloud. 10 SOA ns01.osl.basefarm.net. hostmaster.basefarm.net. 2023043776 86400 3600 2419200 10
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0