Apex domains cannot have CNAME records.
Question and response
Question
dig inalan.gr. NS
Answer
inalan.gr. 5 NS meadow.ns.cloudflare.com.
inalan.gr. 5 NS kevin.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0