IP = 194.150.248.202
Content type of robots.txt is text/html!
Look up this url in the url tool
https://ceoo.ch/.well-known/acme-challenge: 500 text/html
https://ceoo.ch/.well-known/csvm: 500 text/html
https://ceoo.ch/.well-known/nostr.json: 500 text/html
https://ceoo.ch/.well-known/security.txt: 500 text/html
https://ceoo.ch/.well-known/traffic-advice: 500 text/html