smtp.fi.cloudplatform.fi has no NS records.
NS records for this zone are defined at fi.cloudplatform.fi.
NS records for this zone are defined at fi.cloudplatform.fi.
Question and response
Question
dig smtp.fi.cloudplatform.fi. NS
Answer
The response has no answer records.
Authority
fi.cloudplatform.fi. 120 SOA fi.cloudplatform.fi. dns.fi.cloudplatform.fi. 2012511014 10800 3600 604800 120
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0