Question and response
Question
dig dinst.pl. MX
Answer
dinst.pl. 1800 MX 5 mx.dinst.pl.
Authority
The response has no authority records.
Additional
mx.dinst.pl. 1800 A 178.19.105.68
. 0 OPT [{Extended_DNS_Error: PROHIBITED}] ; payload 1232, xrcode 0, version 0, flags 0