Apex domains cannot have CNAME records.
Question and response
Question
dig suggestmychoice.com. NS
Answer
suggestmychoice.com. 3 NS ns-1565.awsdns-03.co.uk.
suggestmychoice.com. 3 NS ns-1670.awsdns-16.co.uk.
suggestmychoice.com. 3 NS ns-1974.awsdns-54.co.uk.
suggestmychoice.com. 3 NS ns-1475.awsdns-56.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0