Apex domains cannot have CNAME records.
Question and response
Question
dig vexnorita.org. NS
Answer
vexnorita.org. 4 NS ns-298.awsdns-37.com.
vexnorita.org. 4 NS ns-1196.awsdns-21.org.
vexnorita.org. 4 NS ns-67.awsdns-08.com.
vexnorita.org. 4 NS ns-392.awsdns-49.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0