Question and response
Question
dig gw.modulservis.cz. MX
Answer
gw.modulservis.cz. 900 MX 10 modulservis-cz.mail.protection.outlook.com.
Authority
The response has no authority records.
Additional
. 0 OPT [{Extended_DNS_Error: PROHIBITED}] ; payload 1232, xrcode 0, version 0, flags 0