mail.UMKAONLINE.RU has no NS records.
NS records for this zone are defined at UMKAONLINE.RU.
NS records for this zone are defined at UMKAONLINE.RU.
Question and response
Question
dig mail.UMKAONLINE.RU. NS
Answer
The response has no answer records.
Authority
UMKAONLINE.RU. 86400 SOA ns1.UMKAONLINE.RU. hostmaster.sv-en.RU. 2025071001 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0