Apex domains cannot have CNAME records.
Question and response
Question
dig mindclef.net. NS
Answer
mindclef.net. 1 NS ns-1461.awsdns-54.org.
mindclef.net. 1 NS ns-718.awsdns-25.net.
mindclef.net. 1 NS ns-392.awsdns-49.com.
mindclef.net. 1 NS ns-1644.awsdns-13.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0