Apex domains cannot have CNAME records.
Question and response
Question
dig evilhannie.eu. NS
Answer
evilhannie.eu. 5 NS ns-r.dns.versio.be.
evilhannie.eu. 5 NS ns-h.dns.versio.eu.
evilhannie.eu. 5 NS ns-s.dns.versio.nl.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0