Question and response
Question
dig vivotwice.com. MX
Answer
vivotwice.com. 3600 MX 0 mx.vivotwice.com.
Authority
The response has no authority records.
Additional
mx.vivotwice.com. 3600 A 5.135.31.105
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0