facebook.com MX records

MX Mail server
1h
smtpin.vvv.facebook.com 10 Primary

Question and response

Question

dig facebook.com. MX

Answer

facebook.com. 3600 MX 10 smtpin.vvv.facebook.com.

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0 smtpin.vvv.facebook.com. 60 AAAA 2a03:2880:ff:fffd:face:b00c:0:686e smtpin.vvv.facebook.com. 60 A 66.220.149.251