mailout01.virtualhosts.de has no MX records.
Question and response
Question
dig mailout01.virtualhosts.de. MX
Answer
The response has no answer records.
Authority
virtualhosts.de. 1000 SOA ns1.virtualhosts.de. hostmaster.virtualhosts.de. 2026020578 7200 3600 604800 1000
Additional
The response has no additional records.