corisvc.info has no MX records.
Question and response
Question
dig corisvc.info. MX
Answer
The response has no answer records.
Authority
corisvc.info. 600 SOA ns63.domaincontrol.com. dns.jomax.net. 2024073100 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0