mx.daromira.com has no NS records.
NS records for this zone are defined at daromira.com.
NS records for this zone are defined at daromira.com.
Question and response
Question
dig mx.daromira.com. NS
Answer
The response has no answer records.
Authority
daromira.com. 3600 SOA dns.daromira.com. hostmaster.daromira.com. 1256975765 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0