mail.th.interecm.com has no CNAME records.
Question and response
Question
dig mail.th.interecm.com. NS
Answer
The response has no answer records.
Authority
interecm.com. 171 SOA ns10.localdns.com. kenneth.emerge.com.my. 2025090823 1200 300 1209600 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0