mx.wolfysmith.net has no NS records.
NS records for this zone are defined at wolfysmith.net.
NS records for this zone are defined at wolfysmith.net.
Question and response
Question
dig mx.wolfysmith.net. NS
Answer
The response has no answer records.
Authority
wolfysmith.net. 3600 SOA dns.wolfysmith.net. hostmaster.wolfysmith.net. 1366363091 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0