Question and response
Question
dig itnetcloud.com. MX
Answer
itnetcloud.com. 3600 MX 0 mx.itnetcloud.com.
Authority
The response has no authority records.
Additional
mx.itnetcloud.com. 3600 A 78.135.109.139
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0