Apex domains cannot have CNAME records.
Question and response
Question
dig blaxfordquindle.com. NS
Answer
blaxfordquindle.com. 5 NS ns-452.awsdns-56.com.
blaxfordquindle.com. 5 NS ns-1180.awsdns-19.org.
blaxfordquindle.com. 5 NS ns-660.awsdns-18.net.
blaxfordquindle.com. 5 NS ns-1737.awsdns-25.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0