Apex domains cannot have CNAME records.
Question and response
Question
dig baggyshop.nl. NS
Answer
baggyshop.nl. 5 NS kenneth.ns.cloudflare.com.
baggyshop.nl. 5 NS pam.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0