mx.operaattori.fi has no NS records.
NS records for this zone are defined at operaattori.fi.
NS records for this zone are defined at operaattori.fi.
Question and response
Question
dig mx.operaattori.fi. NS
Answer
The response has no answer records.
Authority
operaattori.fi. 600 SOA ns1.euronic.fi. hostmaster.euronic.fi. 1772787098 10800 3600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0