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