host.wavenet.at has no MX records.
Question and response
Question
dig host.wavenet.at. MX
Answer
The response has no answer records.
Authority
host.wavenet.at. 172800 SOA signal.kabsi.at. hostmaster.kabsi.at. 2014091702 43200 7200 2592000 172800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0