mx.goldminesllc.com has no NS records.
NS records for this zone are defined at goldminesllc.com.
NS records for this zone are defined at goldminesllc.com.
Question and response
Question
dig mx.goldminesllc.com. NS
Answer
The response has no answer records.
Authority
goldminesllc.com. 3600 SOA dns.goldminesllc.com. hostmaster.goldminesllc.com. 1869494543 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0