ns.LOFISNET.RU has no MX records.
Question and response
Question
dig ns.LOFISNET.RU. MX
Answer
The response has no answer records.
Authority
LOFISNET.RU. 86400 SOA ns.LOFISNET.RU. admin.LOFISNET.RU. 164 20000 7200 3600 172800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0