Apex domains cannot have CNAME records.
Question and response
Question
dig eduneering.com. NS
Answer
eduneering.com. 4 NS ns-1346.awsdns-40.org.
eduneering.com. 4 NS ns-154.awsdns-19.com.
eduneering.com. 4 NS ns-663.awsdns-18.net.
eduneering.com. 4 NS ns-1576.awsdns-05.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0