Apex domains cannot have CNAME records.
Question and response
Question
dig eleoscognitivecenter.com. NS
Answer
eleoscognitivecenter.com. 5 NS ns-372.awsdns-46.com.
eleoscognitivecenter.com. 5 NS ns-1526.awsdns-62.org.
eleoscognitivecenter.com. 5 NS ns-1651.awsdns-14.co.uk.
eleoscognitivecenter.com. 5 NS ns-133.awsdns-16.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0