_spf.q4press.com has no MX records.
Question and response
Question
dig _spf.q4press.com. MX
Answer
The response has no answer records.
Authority
q4press.com. 900 SOA ns-573.awsdns-07.net. awsdns-hostmaster.amazon.com. 2015030410 7200 900 1209600 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0