Question and response
Question
dig arthurnd.com. MX
Answer
arthurnd.com. 3600 MX 0 mx.arthurnd.com.
Authority
The response has no authority records.
Additional
mx.arthurnd.com. 3600 A 91.246.220.68
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0