Apex domains cannot have CNAME records.
Question and response
Question
dig superlogica.com. NS
Answer
superlogica.com. 4 NS ns-1333.awsdns-38.org.
superlogica.com. 4 NS ns-102.awsdns-12.com.
superlogica.com. 4 NS ns-999.awsdns-60.net.
superlogica.com. 4 NS ns-1683.awsdns-18.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0