dns.mitrehan.com has no NS records.
NS records for this zone are defined at mitrehan.com.
NS records for this zone are defined at mitrehan.com.
Question and response
Question
dig dns.mitrehan.com. NS
Answer
The response has no answer records.
Authority
mitrehan.com. 3600 SOA dns.mitrehan.com. hostmaster.mitrehan.com. 1879809416 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0