Apex domains cannot have CNAME records.
Question and response
Question
dig prowoodfiredovens.com. NS
Answer
prowoodfiredovens.com. 4 NS ns-974.awsdns-57.net.
prowoodfiredovens.com. 4 NS ns-694.awsdns-22.net.
prowoodfiredovens.com. 4 NS ns-562.awsdns-06.net.
prowoodfiredovens.com. 4 NS ns-1611.awsdns-09.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0