Apex domains cannot have CNAME records.
Question and response
Question
dig angelreaper.com. NS
Answer
angelreaper.com. 5 NS ns-1220.awsdns-24.org.
angelreaper.com. 5 NS ns-15.awsdns-01.com.
angelreaper.com. 5 NS ns-1947.awsdns-51.co.uk.
angelreaper.com. 5 NS ns-1719.awsdns-22.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0