Question and response
Question
dig gazpromtelecom.ru. MX
Answer
gazpromtelecom.ru. 3600 MX 20 mailrelay.gazprom.ru.
Authority
The response has no authority records.
Additional
. 0 OPT [{Extended_DNS_Error: PROHIBITED}] ; payload 1232, xrcode 0, version 0, flags 0