Apex domains cannot have CNAME records.
Question and response
Question
dig hvinden.com. NS
Answer
hvinden.com. 4 NS ns-900.awsdns-48.net.
hvinden.com. 4 NS ns-929.awsdns-52.net.
hvinden.com. 4 NS ns-1151.awsdns-15.org.
hvinden.com. 4 NS ns-1684.awsdns-18.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0