Apex domains cannot have CNAME records.
Question and response
Question
dig quavornix.com. NS
Answer
quavornix.com. 5 NS ns-2037.awsdns-62.co.uk.
quavornix.com. 5 NS ns-595.awsdns-10.net.
quavornix.com. 5 NS ns-483.awsdns-60.com.
quavornix.com. 5 NS ns-1875.awsdns-42.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0