Apex domains cannot have CNAME records.
Question and response
Question
dig createthefuturecontest.com. NS
Answer
createthefuturecontest.com. 3 NS ns-1510.awsdns-60.org.
createthefuturecontest.com. 3 NS ns-837.awsdns-40.net.
createthefuturecontest.com. 3 NS ns-128.awsdns-16.com.
createthefuturecontest.com. 3 NS ns-1595.awsdns-07.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0