Apex domains cannot have CNAME records.
Question and response
Question
dig ricksetzer.net. NS
Answer
ricksetzer.net. 1 NS ns-1714.awsdns-22.co.uk.
ricksetzer.net. 1 NS ns-1039.awsdns-01.org.
ricksetzer.net. 1 NS ns-18.awsdns-02.com.
ricksetzer.net. 1 NS ns-1195.awsdns-21.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0