mx1.ikb-net.at has no MX records.
Question and response
Question
dig mx1.ikb-net.at. MX
Answer
The response has no answer records.
Authority
ikb-net.at. 86400 SOA ns.ikb-net.at. hostmaster.ikbnet.at. 2024102302 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0