admin.ketnet.cz has no NS records.
NS records for this zone are defined at ketnet.cz.
NS records for this zone are defined at ketnet.cz.
Question and response
Question
dig admin.ketnet.cz. NS
Answer
The response has no answer records.
Authority
ketnet.cz. 3600 SOA ns.servery.cz. hostmaster.active24.cz. 2026021801 10800 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0