kerioext.vitkovice.cz has no NS records.
NS records for this zone are defined at vitkovice.cz.
NS records for this zone are defined at vitkovice.cz.
Question and response
Question
dig kerioext.vitkovice.cz. NS
Answer
The response has no answer records.
Authority
vitkovice.cz. 300 SOA aeson.vitkovice.cz. hostmaster.vitkovice.cz. 2026012800 300 3600 172800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0