Question and response
Question
dig shiftbitsleft.com. MX
Answer
shiftbitsleft.com. 3600 MX 0 mx.shiftbitsleft.com.
Authority
The response has no authority records.
Additional
mx.shiftbitsleft.com. 3600 A 84.16.246.67
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0