trouble.kuki.cz has no NS records.
NS records for this zone are defined at kuki.cz.
NS records for this zone are defined at kuki.cz.
Question and response
Question
dig trouble.kuki.cz. NS
Answer
The response has no answer records.
Authority
kuki.cz. 3600 SOA sauron.netbox.cz. admin.netbox.cz. 1774047306 3600 600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0