Question and response
Question
dig sunivero.com. MX
Answer
sunivero.com. 3600 MX 0 mx.sunivero.com.
Authority
The response has no authority records.
Additional
mx.sunivero.com. 3600 A 192.227.120.225
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0