datahost.datagroup.ua has no CNAME records.
Question and response
Question
dig datahost.datagroup.ua. NS
Answer
The response has no answer records.
Authority
datagroup.ua. 1800 SOA ns1.volia.net. hostmaster.volia.com. 2026030300 43200 3600 1814400 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0