Apex domains cannot have CNAME records.
Question and response
Question
dig rndsoft.ro. NS
Answer
rndsoft.ro. 5 NS ns2.rndsoft.ro.
rndsoft.ro. 5 NS ns1.rndsoft.ro.
Authority
The response has no authority records.
Additional
ns1.rndsoft.ro. 5 A 5.2.143.5
ns2.rndsoft.ro. 5 A 192.157.84.241
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0