Question and response
Question
dig mx4.PREXMAIL.RU. MX
Answer
mx4.PREXMAIL.RU. 86393 MX 10 mx2.PREXMAIL.RU.
mx4.PREXMAIL.RU. 86393 MX 5 mx4.PREXMAIL.RU.
Authority
The response has no authority records.
Additional
mx2.PREXMAIL.RU. 86393 A 80.93.176.76
mx4.PREXMAIL.RU. 86393 A 31.186.102.35
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0