mail.ihc.ru has no MX records.
Question and response
Question
dig mail.ihc.ru. MX
Answer
The response has no answer records.
Authority
mail.ihc.ru. 3600 SOA ns1.ihc.ru. info.ihc.ru. 2009102101 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0