kyberio-dns.de has no MX records.
Question and response
Question
dig kyberio-dns.de. MX
Answer
The response has no answer records.
Authority
kyberio-dns.de. 3600 SOA gns01.edge-dns.com. hostmaster.edge-dns.com. 2025012201 14400 3600 604800 3600
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0