mx2.telprom.eu has no NS records.
NS records for this zone are defined at telprom.eu.
NS records for this zone are defined at telprom.eu.
Question and response
Question
dig mx2.telprom.eu. NS
Answer
The response has no answer records.
Authority
telprom.eu. 3600 SOA ns1.telprom.eu. hostmaster.telprom.eu. 2010122435 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0