Apex domains cannot have CNAME records.
Question and response
Question
dig bartowdiner.com. NS
Answer
bartowdiner.com. 5 NS ns-265.awsdns-33.com.
bartowdiner.com. 5 NS ns-30.awsdns-03.com.
bartowdiner.com. 5 NS ns-102.awsdns-12.com.
bartowdiner.com. 5 NS ns-1751.awsdns-26.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0