kancl2.uvtnet.cz has no NS records.
NS records for this zone are defined at uvtnet.cz.
NS records for this zone are defined at uvtnet.cz.
Question and response
Question
dig kancl2.uvtnet.cz. NS
Answer
The response has no answer records.
Authority
uvtnet.cz. 1800 SOA emily.ns.cloudflare.com. dns.cloudflare.com. 2399320644 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0