Question and response
Question
dig RETNNET.RU. MX
Answer
RETNNET.RU. 300 MX 10 ksmg.retn.RU.
RETNNET.RU. 43200 MX 10 ksmg2.retn.RU.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0