89.184.64.0.mirohost.net has no MX records.
Question and response
Question
dig 89.184.64.0.mirohost.net. MX
Answer
The response has no answer records.
Authority
mirohost.net. 900 SOA nsa2.srv53.net. support.dnshosting.org. 1772402345 1800 600 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0