isp-01.newtel.cz has no NS records.
NS records for this zone are defined at newtel.cz.
NS records for this zone are defined at newtel.cz.
Question and response
Question
dig isp-01.newtel.cz. NS
Answer
The response has no answer records.
Authority
newtel.cz. 3600 SOA ns1.nameserver.sk. root.nameserver.sk. 2025110702 28800 7200 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0