mail.multi-net.ru has no NS records.
NS records for this zone are defined at multi-net.ru.
NS records for this zone are defined at multi-net.ru.
Question and response
Question
dig mail.multi-net.ru. NS
Answer
The response has no answer records.
Authority
multi-net.ru. 3600 SOA ans1.multi-net.ru. hostmaster.multi-net.ru. 2026021201 3600 7200 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0