Question and response
Question
dig jlsimpson.com. MX
Answer
jlsimpson.com. 3600 MX 0 mx.jlsimpson.com.
Authority
The response has no authority records.
Additional
mx.jlsimpson.com. 3600 A 57.131.32.101
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0