mail.nesteinfo.fi has no NS records.
NS records for this zone are defined at nesteinfo.fi.
NS records for this zone are defined at nesteinfo.fi.
Question and response
Question
dig mail.nesteinfo.fi. NS
Answer
The response has no answer records.
Authority
nesteinfo.fi. 21600 SOA ns1.netnames.net. hostmaster.cscdns.net. 2018081903 10800 1800 3600000 21600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0