Apex domains cannot have CNAME records.
Question and response
Question
dig watauga-lake-vacation.com. NS
Answer
watauga-lake-vacation.com. 5 NS ns-750.awsdns-29.net.
watauga-lake-vacation.com. 5 NS ns-1039.awsdns-01.org.
watauga-lake-vacation.com. 5 NS ns-515.awsdns-00.net.
watauga-lake-vacation.com. 5 NS ns-932.awsdns-52.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0