Question and response
Question
dig gzdaiyu.com. MX
Answer
gzdaiyu.com. 3600 MX 0 mx.gzdaiyu.com.
Authority
The response has no authority records.
Additional
mx.gzdaiyu.com. 3600 A 51.79.11.159
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0