client-pbx.ats.24hc.ru has no NS records.
NS records for this zone are defined at ats.24hc.ru.
NS records for this zone are defined at ats.24hc.ru.
Question and response
Question
dig client-pbx.ats.24hc.ru. NS
Answer
The response has no answer records.
Authority
ats.24hc.ru. 3600 SOA ns.24hc.ru. hosting.24hc.ru. 2017060842 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0