Apex domains cannot have CNAME records.
Question and response
Question
dig inproxect.com. NS
Answer
inproxect.com. 5 NS ns-1832.awsdns-37.co.uk.
inproxect.com. 5 NS ns-1458.awsdns-54.org.
inproxect.com. 5 NS ns-621.awsdns-13.net.
inproxect.com. 5 NS ns-1995.awsdns-57.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0