Apex domains cannot have CNAME records.
Question and response
Question
dig cakesbyterri.com. NS
Answer
cakesbyterri.com. 5 NS ns-2037.awsdns-62.co.uk.
cakesbyterri.com. 5 NS ns-742.awsdns-28.net.
cakesbyterri.com. 5 NS ns-1202.awsdns-22.org.
cakesbyterri.com. 5 NS ns-2044.awsdns-63.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0