instantcpanellicense.com has no MX records.
Question and response
Question
dig instantcpanellicense.com. MX
Answer
The response has no answer records.
Authority
instantcpanellicense.com. 86400 SOA ns1.dimenoc.com. network.dimenoc.com. 2019062906 300 300 2419200 86400
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0