Apex domains cannot have CNAME records.
Question and response
Question
dig dragonsshed.com. NS
Answer
dragonsshed.com. 5 NS ns-478.awsdns-59.com.
dragonsshed.com. 5 NS ns-886.awsdns-46.net.
dragonsshed.com. 5 NS ns-1765.awsdns-28.co.uk.
dragonsshed.com. 5 NS ns-192.awsdns-24.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0