mx.skole.hr has no NS records.
NS records for this zone are defined at skole.hr.
NS records for this zone are defined at skole.hr.
Question and response
Question
dig mx.skole.hr. NS
Answer
The response has no answer records.
Authority
skole.hr. 2560 SOA ns1.skole.hr. root.skole.hr. 2026022604 16384 2048 1048576 2560
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0