Apex domains cannot have CNAME records.
Question and response
Question
dig kibekensetsu.com. NS
Answer
kibekensetsu.com. 5 NS ns-5.awsdns-00.com.
kibekensetsu.com. 5 NS ns-1440.awsdns-52.org.
kibekensetsu.com. 5 NS ns-1894.awsdns-44.co.uk.
kibekensetsu.com. 5 NS ns-1971.awsdns-54.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0