mail.stacksoft.ru has no NS records.
NS records for this zone are defined at stacksoft.ru.
NS records for this zone are defined at stacksoft.ru.
Question and response
Question
dig mail.stacksoft.ru. NS
Answer
The response has no answer records.
Authority
stacksoft.ru. 86400 SOA ns.stacksoft.ru. admin.stacksoft.ru. 2025101503 10800 1800 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0