s31.h.mchost.ru has no NS records.
NS records for this zone are defined at h.mchost.ru.
NS records for this zone are defined at h.mchost.ru.
Question and response
Question
dig s31.h.mchost.ru. NS
Answer
The response has no answer records.
Authority
h.mchost.ru. 600 SOA nserver1.mchost.ru. info.mchost.ru. 2022071601 10800 3600 172800 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0