Question and response
Question
dig bisonrow.com. MX
Answer
bisonrow.com. 3600 MX 0 mx.bisonrow.com.
Authority
The response has no authority records.
Additional
mx.bisonrow.com. 3600 A 5.39.44.158
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0