_spf.cretaforce.gr has no MX records.
Question and response
Question
dig _spf.cretaforce.gr. MX
Answer
The response has no answer records.
Authority
cretaforce.gr. 300 SOA ns1.cretaforce.gr. support.cretaforce.gr. 2026010822 3600 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0