spf.akmta.net has no MX records.
Question and response
Question
dig spf.akmta.net. MX
Answer
The response has no answer records.
Authority
akmta.net. 300 SOA ns1.beget.com. hostmaster.beget.com. 1730807770 300 600 86400 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0