mail.royalnest.ro has no CNAME records.
Question and response
Question
dig mail.royalnest.ro. NS
Answer
The response has no answer records.
Authority
royalnest.ro. 10800 SOA ns1.hostgate.ro. server.hostgate.ro. 2026021001 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0