Apex domains cannot have CNAME records.
Question and response
Question
dig drqqbe8dd4o70.cloudfront.net. NS
Answer
drqqbe8dd4o70.cloudfront.net. 5 NS ns-17.awsdns-02.com.
drqqbe8dd4o70.cloudfront.net. 5 NS ns-1200.awsdns-22.org.
drqqbe8dd4o70.cloudfront.net. 5 NS ns-942.awsdns-53.net.
drqqbe8dd4o70.cloudfront.net. 5 NS ns-1604.awsdns-08.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0