rev.provedorsuperconnect.com.br has no MX records.
Question and response
Question
dig rev.provedorsuperconnect.com.br. MX
Answer
The response has no answer records.
Authority
rev.provedorsuperconnect.com.br. 3600 SOA ns1.provedorsuperconnect.com.br. admin.rev.provedorsuperconnect.com.br. 2022036078 28800 7200 2419200 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0