Apex domains cannot have CNAME records.
Question and response
Question
dig quorinexa.com. NS
Answer
quorinexa.com. 5 NS ns-993.awsdns-60.net.
quorinexa.com. 5 NS ns-1033.awsdns-01.org.
quorinexa.com. 5 NS ns-707.awsdns-24.net.
quorinexa.com. 5 NS ns-727.awsdns-26.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0