Apex domains cannot have CNAME records.
Question and response
Question
dig velsat.ro. NS
Answer
velsat.ro. 5 NS nsa.velsat.ro.
velsat.ro. 5 NS nsb.velsat.ro.
Authority
The response has no authority records.
Additional
nsa.velsat.ro. 5 A 86.106.170.3
nsb.velsat.ro. 5 A 77.81.178.13
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0