Apex domains cannot have CNAME records.
Question and response
Question
dig eyevip.io. NS
Answer
eyevip.io. 1 NS ns-1674.awsdns-17.co.uk.
eyevip.io. 1 NS ns-363.awsdns-45.com.
eyevip.io. 1 NS ns-832.awsdns-40.net.
eyevip.io. 1 NS ns-1034.awsdns-01.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0