dns4.arubadns.cz has no NS records.
NS records for this zone are defined at arubadns.cz.
NS records for this zone are defined at arubadns.cz.
Question and response
Question
dig dns4.arubadns.cz. NS
Answer
The response has no answer records.
Authority
arubadns.cz. 3600 SOA arudns1.aruba.it. hostmaster.arubadns.cz. 2025010201 86400 7200 2592000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0