_spf.einfra.hu has no MX records.
Question and response
Question
dig _spf.einfra.hu. MX
Answer
The response has no answer records.
Authority
einfra.hu. 60 SOA ns2.iif.hu. hostmaster.iif.hu. 2026022308 10800 3600 604800 60
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0