cetus.ocs.ru has no NS records.
NS records for this zone are defined at ocs.ru.
NS records for this zone are defined at ocs.ru.
Question and response
Question
dig cetus.ocs.ru. NS
Answer
The response has no answer records.
Authority
ocs.ru. 3600 SOA ns.ocs.ru. admin.ocs.ru. 2026030501 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0