Apex domains cannot have CNAME records.
Question and response
Question
dig cgsi.com.my. NS
Answer
cgsi.com.my. 5 NS ns186.mschosting.com.
cgsi.com.my. 5 NS ns185.mschosting.com.
cgsi.com.my. 5 NS ns184.mschosting.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0