bmail.becloud.by has no NS records.
NS records for this zone are defined at becloud.by.
NS records for this zone are defined at becloud.by.
Question and response
Question
dig bmail.becloud.by. NS
Answer
The response has no answer records.
Authority
becloud.by. 86400 SOA ns1.g-cloud.by. admin.g-cloud.by. 2021083574 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0