mail2.itassist.ro has no CNAME records.
Question and response
Question
dig mail2.itassist.ro. NS
Answer
The response has no answer records.
Authority
itassist.ro. 41 SOA ns2.itassist.ro. hostmaster.itassist.ro. 2025041502 60 600 1814400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0