Question and response
Question
dig hupmobiles.com. MX
Answer
hupmobiles.com. 3600 MX 0 mx.hupmobiles.com.
Authority
The response has no authority records.
Additional
mx.hupmobiles.com. 3600 A 173.44.158.39
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0