bt.systems MX records

MX Mail server
10m
mx03.routing.net 10 Primary
mx02.routing.net 10 Primary
mx01.routing.net 10 Primary
mxbackup.routing.net 20

Question and response

Question

dig bt.systems. MX

Answer

bt.systems. 600 MX 10 mx03.routing.net. bt.systems. 600 MX 10 mx02.routing.net. bt.systems. 600 MX 10 mx01.routing.net. bt.systems. 600 MX 20 mxbackup.routing.net.

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0