Question and response
Question
dig parzival.iks-jena.de. MX
Answer
parzival.iks-jena.de. 57600 MX 1 no-mail-please.iks-jena.net.
Authority
The response has no authority records.
Additional
. 0 OPT [{Extended_DNS_Error: PROHIBITED}] ; payload 1232, xrcode 0, version 0, flags 0