support.ihc.ru has no NS records.
NS records for this zone are defined at ihc.ru.
NS records for this zone are defined at ihc.ru.
Question and response
Question
dig support.ihc.ru. NS
Answer
The response has no answer records.
Authority
ihc.ru. 600 SOA ns1.ihc.ru. support.ihc.ru. 2010083101 28800 7200 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0