stat.radionet.com.ua has no CNAME records.
Question and response
Question
dig stat.radionet.com.ua. NS
Answer
The response has no answer records.
Authority
radionet.com.ua. 4196 SOA ns1.radionet.com.ua. hostmaster.radionet.com.ua. 2026010701 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0