Apex domains cannot have CNAME records.
Question and response
Question
dig tvsatrm.Ro. NS
Answer
tvsatrm.Ro. 4 NS ns2.tvsatrm.Ro.
tvsatrm.Ro. 4 NS ns1.tvsatrm.Ro.
Authority
The response has no authority records.
Additional
ns1.tvsatrm.Ro. 4 A 89.38.8.1
ns2.tvsatrm.Ro. 4 A 89.38.8.133
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0