Apex domains cannot have CNAME records.
Question and response
Question
dig bravosolution.com. NS
Answer
bravosolution.com. 5 NS ns-494.awsdns-61.com.
bravosolution.com. 5 NS ns-1803.awsdns-33.co.uk.
bravosolution.com. 5 NS ns-1445.awsdns-52.org.
bravosolution.com. 5 NS ns-925.awsdns-51.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0