IP = 23.209.84.147
Content type of robots.txt is text/html!
Look up this url in the url tool
https://www.ferrero.ch/.well-known/acme-challenge: 503 text/html
https://www.ferrero.ch/.well-known/csvm: 503 text/html
https://www.ferrero.ch/.well-known/nostr.json: 503 text/html
https://www.ferrero.ch/.well-known/security.txt: 503 text/html
https://www.ferrero.ch/.well-known/traffic-advice: 503 text/html