Apex domains cannot have CNAME records.
Question and response
Question
dig bayt.com. NS
Answer
bayt.com. 4 NS ns-804.awsdns-36.net.
bayt.com. 4 NS ns-1340.awsdns-39.org.
bayt.com. 4 NS ns-1584.awsdns-06.co.uk.
bayt.com. 4 NS ns-503.awsdns-62.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0