mx.rockymountainbrews.com has no NS records.
NS records for this zone are defined at rockymountainbrews.com.
NS records for this zone are defined at rockymountainbrews.com.
Question and response
Question
dig mx.rockymountainbrews.com. NS
Answer
The response has no answer records.
Authority
rockymountainbrews.com. 3600 SOA dns.rockymountainbrews.com. hostmaster.rockymountainbrews.com. 1887028707 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0