orleans.ddnss.de has no MX records.
Question and response
Question
dig orleans.ddnss.de. MX
Answer
The response has no answer records.
Authority
orleans.ddnss.de. 86400 SOA ns1.he.net. hostmaster.he.net. 2026022500 86400 7200 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0