xm820.dmsolutionsonline.de has no CNAME records.
Question and response
Question
dig xm820.dmsolutionsonline.de. NS
Answer
The response has no answer records.
Authority
dmsolutionsonline.de. 6758 SOA ns3.nsentry.de. hostmaster.dmsolutionsonline.de. 2026030401 3600 7200 3600000 172800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0