mail.dev.oktawave.com has no NS records.
NS records for this zone are defined at dev.oktawave.com.
NS records for this zone are defined at dev.oktawave.com.
Question and response
Question
dig mail.dev.oktawave.com. NS
Answer
The response has no answer records.
Authority
dev.oktawave.com. 86400 SOA ns1.oktawave.com. hostmaster.oktawave.com. 2024102207 28800 7200 345600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0