Apex domains cannot have CNAME records.
Question and response
Question
dig s777gamebai.org. NS
Answer
s777gamebai.org. 5 NS ns-1357.awsdns-41.org.
s777gamebai.org. 5 NS ns-1124.awsdns-12.org.
s777gamebai.org. 5 NS ns-1849.awsdns-39.co.uk.
s777gamebai.org. 5 NS ns-1478.awsdns-56.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0