Apex domains cannot have CNAME records.
Question and response
Question
dig quvontral.com. NS
Answer
quvontral.com. 4 NS ns1.quvontral.com.
quvontral.com. 4 NS ns2.quvontral.com.
Authority
The response has no authority records.
Additional
ns1.quvontral.com. 4 A 51.161.25.180
ns2.quvontral.com. 4 A 50.2.215.18
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0