Apex domains cannot have CNAME records.
Question and response
Question
dig acceleratia.ro. NS
Answer
acceleratia.ro. 4 NS lamar.ns.cloudflare.com.
acceleratia.ro. 4 NS bonnie.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0