ns1.hostway.de has no MX records.
Question and response
Question
dig ns1.hostway.de. MX
Answer
The response has no answer records.
Authority
hostway.de. 300 SOA ns1.hostway.de. hostmaster.hostway.de. 2015116176 14400 3600 604800 300
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0