mail.hostico.ro has no CNAME records.
Question and response
Question
dig mail.hostico.ro. NS
Answer
The response has no answer records.
Authority
hostico.ro. 3875 SOA ns1.hostico.ro. srv.hostico.ro. 2026022500 86400 7200 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0