Question and response
Question
dig open.ch. MX
Answer
open.ch. 1800 MX 10 mx1.open.ch.
open.ch. 1800 MX 10 mx2.open.ch.
Authority
The response has no authority records.
Additional
mx1.open.ch. 3600 A 213.156.227.108
mx2.open.ch. 3600 A 213.156.239.108
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0