Apex domains cannot have CNAME records.
Question and response
Question
dig dionysuswinery.com. NS
Answer
dionysuswinery.com. 5 NS ns-370.awsdns-46.com.
dionysuswinery.com. 5 NS ns-1556.awsdns-02.co.uk.
dionysuswinery.com. 5 NS ns-1530.awsdns-63.org.
dionysuswinery.com. 5 NS ns-533.awsdns-02.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0