Apex domains cannot have CNAME records.
Question and response
Question
dig zunicoyote.com. NS
Answer
zunicoyote.com. 5 NS ns-1176.awsdns-19.org.
zunicoyote.com. 5 NS ns-822.awsdns-38.net.
zunicoyote.com. 5 NS ns-923.awsdns-51.net.
zunicoyote.com. 5 NS ns-1259.awsdns-29.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0