Question and response
Question
dig iiwf.info. MX
Answer
iiwf.info. 3600 MX 0 mx.iiwf.info.
Authority
The response has no authority records.
Additional
mx.iiwf.info. 3600 A 72.9.159.232
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0