Apex domains cannot have CNAME records.
Question and response
Question
dig berryhillandco.com. NS
Answer
berryhillandco.com. 5 NS ns-1728.awsdns-24.co.uk.
berryhillandco.com. 5 NS ns-1201.awsdns-22.org.
berryhillandco.com. 5 NS ns-1169.awsdns-18.org.
berryhillandco.com. 5 NS ns-1652.awsdns-14.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0