Apex domains cannot have CNAME records.
Question and response
Question
dig 0-zine.com. NS
Answer
0-zine.com. 5 NS ns-165.awsdns-20.com.
0-zine.com. 5 NS ns-1928.awsdns-49.co.uk.
0-zine.com. 5 NS ns-1632.awsdns-12.co.uk.
0-zine.com. 5 NS ns-795.awsdns-35.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0