Apex domains cannot have CNAME records.
Question and response
Question
dig drag-unlock.com. NS
Answer
drag-unlock.com. 4 NS ns-534.awsdns-02.net.
drag-unlock.com. 4 NS ns-545.awsdns-04.net.
drag-unlock.com. 4 NS ns-1380.awsdns-44.org.
drag-unlock.com. 4 NS ns-296.awsdns-37.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0