Question and response
Question
dig mastertel.RU. MX
Answer
mastertel.RU. 3561 MX 10 mail.mastertel.RU.
Authority
The response has no authority records.
Additional
mail.mastertel.RU. 3561 A 109.73.45.104
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0