IP = 83.150.38.164
Content type of robots.txt is text/html!
Look up this url in the url tool
https://hilfe.dxb.ch/.well-known/acme-challenge: 401 text/html
https://hilfe.dxb.ch/.well-known/csvm: 401 text/html
https://hilfe.dxb.ch/.well-known/nostr.json: 401 text/html
https://hilfe.dxb.ch/.well-known/security.txt: 401 text/html
https://hilfe.dxb.ch/.well-known/traffic-advice: 401 text/html