Apex domains cannot have CNAME records.
Question and response
Question
dig furikyo.org. NS
Answer
furikyo.org. 5 NS ns-344.awsdns-43.com.
furikyo.org. 5 NS ns-1639.awsdns-12.co.uk.
furikyo.org. 5 NS ns-1619.awsdns-10.co.uk.
furikyo.org. 5 NS ns-1825.awsdns-36.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0