Apex domains cannot have CNAME records.
Question and response
Question
dig bravinty.com. NS
Answer
bravinty.com. 5 NS ns-100.awsdns-12.com.
bravinty.com. 5 NS ns-752.awsdns-30.net.
bravinty.com. 5 NS ns-1401.awsdns-47.org.
bravinty.com. 5 NS ns-1931.awsdns-49.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0