mail.omc.co.at has no MX records.
Question and response
Question
dig mail.omc.co.at. MX
Answer
The response has no answer records.
Authority
omc.co.at. 120 SOA ns1.omc.co.at. fabian.tribrunner.at. 2026022004 10800 3600 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0