Apex domains cannot have CNAME records.
Question and response
Question
dig spawish.com. NS
Answer
spawish.com. 4 NS ns-1292.awsdns-33.org.
spawish.com. 4 NS ns-601.awsdns-11.net.
spawish.com. 4 NS ns-238.awsdns-29.com.
spawish.com. 4 NS ns-1953.awsdns-52.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0