Apex domains cannot have CNAME records.
Question and response
Question
dig netopsgo.com. NS
Answer
netopsgo.com. 5 NS ns-1742.awsdns-25.co.uk.
netopsgo.com. 5 NS ns-652.awsdns-17.net.
netopsgo.com. 5 NS ns-424.awsdns-53.com.
netopsgo.com. 5 NS ns-738.awsdns-28.net.
Authority
The response has no authority records.
Additional
ns-1742.awsdns-25.co.uk. 5 A 205.251.198.206
ns-1742.awsdns-25.co.uk. 5 AAAA 2600:9000:5306:ce00:0:0:0:1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0