Apex domains cannot have CNAME records.
Question and response
Question
dig hbidc.net. NS
Answer
hbidc.net. 3 NS ns8.cnmsn.net.
hbidc.net. 3 NS ns7.cnmsn.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0