mx.getprospects.biz has no NS records.
NS records for this zone are defined at getprospects.biz.
NS records for this zone are defined at getprospects.biz.
Question and response
Question
dig mx.getprospects.biz. NS
Answer
The response has no answer records.
Authority
getprospects.biz. 3600 SOA dns.getprospects.biz. hostmaster.getprospects.biz. 1355774090 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0