Apex domains cannot have CNAME records.
Question and response
Question
dig affordable-websites.net. NS
Answer
affordable-websites.net. 5 NS ns-630.awsdns-14.net.
affordable-websites.net. 5 NS ns-583.awsdns-08.net.
affordable-websites.net. 5 NS ns-323.awsdns-40.com.
affordable-websites.net. 5 NS ns-1822.awsdns-35.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0