mx1.quanza.net has no MX records.
Question and response
Question
dig mx1.quanza.net. MX
Answer
The response has no answer records.
Authority
quanza.net. 3600 SOA ns1.quanza.net. hostmaster.quanza.net. 2026021404 28800 7200 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0