Apex domains cannot have CNAME records.
Question and response
Question
dig brandforge.nl. NS
Answer
brandforge.nl. 5 NS ns.zxcs.be.
brandforge.nl. 5 NS ns.zxcs.eu.
brandforge.nl. 5 NS ns.zxcs.nl.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0