Question and response
Question
dig shwanns.com. MX
Answer
shwanns.com. 3600 MX 0 mx.shwanns.com.
Authority
The response has no authority records.
Additional
mx.shwanns.com. 3600 A 51.161.40.250
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0