mx.runity.ru has no NS records.
NS records for this zone are defined at runity.ru.
NS records for this zone are defined at runity.ru.
Question and response
Question
dig mx.runity.ru. NS
Answer
The response has no answer records.
Authority
runity.ru. 600 SOA cdnsa.nic.ru. noc-dns.nic.ru. 2026022201 14400 3600 2592000 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0