dns.media4web.cz has no NS records.
NS records for this zone are defined at media4web.cz.
NS records for this zone are defined at media4web.cz.
Question and response
Question
dig dns.media4web.cz. NS
Answer
The response has no answer records.
Authority
media4web.cz. 864 SOA dns.media4web.cz. hostmaster.nethost.cz. 2026030600 10801 3600 3600000 864
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0