Question and response
Question
dig mountainview-m.com. MX
Answer
mountainview-m.com. 3600 MX 0 mx.mountainview-m.com.
Authority
The response has no authority records.
Additional
mx.mountainview-m.com. 3600 A 192.227.70.44
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0