Question and response
Question
dig server4.openfactory.ch. MX
Answer
server4.openfactory.ch. 38400 MX 10 foegloe.geoflexcloud.com.openfactory.ch.
Authority
The response has no authority records.
Additional
. 0 OPT [{Extended_DNS_Error: PROHIBITED}] ; payload 1232, xrcode 0, version 0, flags 0