primary.rotld.Ro has no CNAME records.
Question and response
Question
dig primary.rotld.Ro. NS
Answer
The response has no answer records.
Authority
rotld.Ro. 529 SOA ns-a.rnc.Ro. hostmaster.rotld.Ro. 1772888606 3600 3600 604800 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0