Apex domains cannot have CNAME records.
Question and response
Question
dig netromania.ro. NS
Answer
netromania.ro. 5 NS ns2.netromania.ro.
netromania.ro. 5 NS ns1.netromania.ro.
Authority
The response has no authority records.
Additional
ns1.netromania.ro. 5 A 188.215.251.148
ns2.netromania.ro. 5 A 95.214.135.111
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0