z00.oktey.com has no NS records.
NS records for this zone are defined at oktey.com.
NS records for this zone are defined at oktey.com.
Question and response
Question
dig z00.oktey.com. NS
Answer
The response has no answer records.
Authority
oktey.com. 1800 SOA josh.ns.cloudflare.com. dns.cloudflare.com. 2398740651 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0