Apex domains cannot have CNAME records.
Question and response
Question
dig liv.rndsoft.ro. NS
Answer
liv.rndsoft.ro. 5 NS ns3.rndsoft.ro.
liv.rndsoft.ro. 5 NS ns1.rndsoft.ro.
Authority
The response has no authority records.
Additional
ns1.rndsoft.ro. 4 A 5.2.143.5
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0