help.smarthome.soib.rt.ru has no NS records.
NS records for this zone are defined at rt.ru.
NS records for this zone are defined at rt.ru.
Question and response
Question
dig help.smarthome.soib.rt.ru. NS
Answer
The response has no answer records.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0