_spf2.inova.net has no MX records.
Question and response
Question
dig _spf2.inova.net. MX
Answer
The response has no answer records.
Authority
inova.net. 60 SOA ns1.penso.com.br. hostmaster.penso.com.br.inova.net. 2025041001 7200 3600 1209600 1200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0