Mail.Renome-I.Net has no CNAME records.
Question and response
Question
dig Mail.Renome-I.Net. NS
Answer
The response has no answer records.
Authority
Renome-I.Net. 1770 SOA ns.Odessa.TV. hostmaster.Odessa.TV. 2018120312 3600 600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0