Apex domains cannot have CNAME records.
Question and response
Question
dig edgexcess.com. NS
Answer
edgexcess.com. 1 NS ns1.time.net.my.
edgexcess.com. 1 NS ns2.time.net.my.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0