mx.brucegerrish.com has no NS records.
NS records for this zone are defined at brucegerrish.com.
NS records for this zone are defined at brucegerrish.com.
Question and response
Question
dig mx.brucegerrish.com. NS
Answer
The response has no answer records.
Authority
brucegerrish.com. 3600 SOA dns.brucegerrish.com. hostmaster.brucegerrish.com. 1924301220 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0