static.178.47.180.157.clients.your-server.de has no CNAME records.
Question and response
Question
dig static.178.47.180.157.clients.your-server.de. NS
Answer
The response has no answer records.
Authority
47.180.157.clients.your-server.de. 5487 SOA ns1.your-server.de. dns.hetzner.com. 2022013143 14400 1800 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0