Apex domains cannot have CNAME records.
Question and response
Question
dig wreathsbykari.com. NS
Answer
wreathsbykari.com. 5 NS ns-516.awsdns-00.net.
wreathsbykari.com. 5 NS ns-1695.awsdns-19.co.uk.
wreathsbykari.com. 5 NS ns-1880.awsdns-43.co.uk.
wreathsbykari.com. 5 NS ns-1939.awsdns-50.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0