mail.datacontact.hu has no MX records.
Question and response
Question
dig mail.datacontact.hu. MX
Answer
The response has no answer records.
Authority
datacontact.hu. 561 SOA ns1.datacontact.dc.hu. netadmin.ns1.datacontact.dc.hu. 2005051819 26800 7200 804800 42000
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0