cimbsmtp2.interecm2.com has no CNAME records.
Question and response
Question
dig cimbsmtp2.interecm2.com. NS
Answer
The response has no answer records.
Authority
interecm2.com. 324 SOA ns17.domaincontrol.com. dns.jomax.net. 2025111704 28800 7200 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0