Apex domains cannot have CNAME records.
Question and response
Question
dig brighteloria.com. NS
Answer
brighteloria.com. 4 NS ns-964.awsdns-56.net.
brighteloria.com. 4 NS ns-178.awsdns-22.com.
brighteloria.com. 4 NS ns-1269.awsdns-30.org.
brighteloria.com. 4 NS ns-1055.awsdns-03.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0