Apex domains cannot have CNAME records.
Question and response
Question
dig powerbimi.com. NS
Answer
powerbimi.com. 4 NS ns-1143.awsdns-14.org.
powerbimi.com. 4 NS ns-881.awsdns-46.net.
powerbimi.com. 4 NS ns-326.awsdns-40.com.
powerbimi.com. 4 NS ns-1797.awsdns-32.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0