Question and response
Question
dig fsa2001.com. MX
Answer
fsa2001.com. 3600 MX 0 mx.fsa2001.com.
Authority
The response has no authority records.
Additional
mx.fsa2001.com. 3600 A 173.44.158.61
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0