minecraft.serv.si has no NS records.
NS records for this zone are defined at serv.si.
NS records for this zone are defined at serv.si.
Question and response
Question
dig minecraft.serv.si. NS
Answer
The response has no answer records.
Authority
serv.si. 1800 SOA dns1.siel.si. dns.siel.si. 2742 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0