Apex domains cannot have CNAME records.
Question and response
Question
dig vade-services.net. NS
Answer
vade-services.net. 4 NS ns-1559.awsdns-02.co.uk.
vade-services.net. 4 NS ns-1356.awsdns-41.org.
vade-services.net. 4 NS ns-162.awsdns-20.com.
vade-services.net. 4 NS ns-596.awsdns-10.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0