Apex domains cannot have CNAME records.
Question and response
Question
dig datainsightsgo.com. NS
Answer
datainsightsgo.com. 5 NS ns-189.awsdns-23.com.
datainsightsgo.com. 5 NS ns-1304.awsdns-35.org.
datainsightsgo.com. 5 NS ns-865.awsdns-44.net.
datainsightsgo.com. 5 NS ns-498.awsdns-62.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0