ushost01.twinservers.net has no NS records.
NS records for this zone are defined at twinservers.net.
NS records for this zone are defined at twinservers.net.
Question and response
Question
dig ushost01.twinservers.net. NS
Answer
The response has no answer records.
Authority
twinservers.net. 86400 SOA ns4000.twinservers.net. techs.hostiq.ua. 2026031600 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0