mail.sib-inet.RU has no NS records.
NS records for this zone are defined at sib-inet.RU.
NS records for this zone are defined at sib-inet.RU.
Question and response
Question
dig mail.sib-inet.RU. NS
Answer
The response has no answer records.
Authority
sib-inet.RU. 86400 SOA ns1.sib-inet.RU. hostmaster.sv-en.RU. 2025050501 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0