mail.MY-IHOR.RU has no NS records.
NS records for this zone are defined at MY-IHOR.RU.
NS records for this zone are defined at MY-IHOR.RU.
Question and response
Question
dig mail.MY-IHOR.RU. NS
Answer
The response has no answer records.
Authority
MY-IHOR.RU. 3600 SOA ns1.ihordns.net. tech.ihordns.net. 2020085698 3600 3600 604800 86400
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0