Apex domains cannot have CNAME records.
Question and response
Question
dig dravonexa.org. NS
Answer
dravonexa.org. 5 NS ns-1963.awsdns-53.co.uk.
dravonexa.org. 5 NS ns-287.awsdns-35.com.
dravonexa.org. 5 NS ns-899.awsdns-48.net.
dravonexa.org. 5 NS ns-1642.awsdns-13.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0