relay.itsystems.ua has no NS records.
NS records for this zone are defined at itsystems.ua.
NS records for this zone are defined at itsystems.ua.
Question and response
Question
dig relay.itsystems.ua. NS
Answer
The response has no answer records.
Authority
itsystems.ua. 1800 SOA ns.itsinternet.net. hostmaster.itsinternet.net. 2026022701 43200 7200 1209600 7200
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0