smtp4.mcplat.ru has no NS records.
NS records for this zone are defined at mcplat.ru.
NS records for this zone are defined at mcplat.ru.
Question and response
Question
dig smtp4.mcplat.ru. NS
Answer
The response has no answer records.
Authority
mcplat.ru. 60 SOA a.ns.selectel.ru. support.selectel.ru. 2026012201 10800 3600 604800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0