mail-srv.weba.ru has no NS records.
NS records for this zone are defined at weba.ru.
NS records for this zone are defined at weba.ru.
Question and response
Question
dig mail-srv.weba.ru. NS
Answer
The response has no answer records.
Authority
weba.ru. 3600 SOA ns1.weba.ru. postmaster.weba.ru. 2026021801 3600 900 3600000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0