ns20.edgespot.net has no MX records.
Question and response
Question
dig ns20.edgespot.net. MX
Answer
The response has no answer records.
Authority
edgespot.net. 7200 SOA ns4.prohostic.net. i.rijad.gmail.com. 2023031201 7200 7200 172800 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0