Apex domains cannot have CNAME records.
Question and response
Question
dig hernandesigns.com. NS
Answer
hernandesigns.com. 1 NS ns-1415.awsdns-48.org.
hernandesigns.com. 1 NS ns-1586.awsdns-06.co.uk.
hernandesigns.com. 1 NS ns-1905.awsdns-46.co.uk.
hernandesigns.com. 1 NS ns-1131.awsdns-13.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0