Apex domains cannot have CNAME records.
Question and response
Question
dig emilychamberlin.com. NS
Answer
emilychamberlin.com. 5 NS ns-1161.awsdns-17.org.
emilychamberlin.com. 5 NS ns-510.awsdns-63.com.
emilychamberlin.com. 5 NS ns-1620.awsdns-10.co.uk.
emilychamberlin.com. 5 NS ns-1547.awsdns-01.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0