Apex domains cannot have CNAME records.
Question and response
Question
dig infopact.nl. NS
Answer
infopact.nl. 5 NS ns-898.awsdns-48.net.
infopact.nl. 5 NS ns-1458.awsdns-54.org.
infopact.nl. 5 NS ns-1632.awsdns-12.co.uk.
infopact.nl. 5 NS ns-339.awsdns-42.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0