Question and response
Question
dig mexline.com. MX
Answer
mexline.com. 600 MX 5 mailgw.mexline.com.
Authority
The response has no authority records.
Additional
mailgw.mexline.com. 100 A 200.79.181.65
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0