ns4.hochstaetter.de has no MX records.
Question and response
Question
dig ns4.hochstaetter.de. MX
Answer
The response has no answer records.
Authority
hochstaetter.de. 21600 SOA ns1.hochstaetter.de. zonemaster.hochstaetter.de. 2026030604 10800 3600 2419200 21600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0