ns2.datagroup.ua has no NS records.
NS records for this zone are defined at datagroup.ua.
NS records for this zone are defined at datagroup.ua.
Question and response
Question
dig ns2.datagroup.ua. NS
Answer
The response has no answer records.
Authority
datagroup.ua. 1800 SOA ns1.volia.net. hostmaster.volia.com. 2026031301 43200 3600 1814400 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0