thetool.xinon.at has no MX records.
Question and response
Question
dig thetool.xinon.at. MX
Answer
The response has no answer records.
Authority
xinon.at. 10800 SOA web6.xinon.at. jantscher.xinon.at. 2026012902 10800 3600 604800 10800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0