vm2c6.zq1.de has no MX records.
Question and response
Question
dig vm2c6.zq1.de. MX
Answer
The response has no answer records.
Authority
zq1.de. 3600 SOA ns1.lsmod.de. root.lsmod.de. 1772183662 1800 3600 864000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0