Apex domains cannot have CNAME records.
Question and response
Question
dig wefact.nl. NS
Answer
wefact.nl. 5 NS ns1.wefact.nl.
wefact.nl. 5 NS ns2.wefact.nl.
Authority
The response has no authority records.
Additional
ns1.wefact.nl. 5 A 46.17.10.168
ns2.wefact.nl. 5 A 46.17.15.250
ns2.wefact.nl. 5 AAAA 2a02:2870:c002:1:0:0:0:11
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0