IP = 104.21.74.84
Content type of robots.txt is text/html; charset=utf-8!
Look up this url in the url tool
https://fcast.org/.well-known/acme-challenge: 200 text/html; charset=utf-8
https://fcast.org/.well-known/csvm: 200 text/html; charset=utf-8
https://fcast.org/.well-known/nostr.json: 200 text/html; charset=utf-8
https://fcast.org/.well-known/security.txt: 200 text/html; charset=utf-8
https://fcast.org/.well-known/traffic-advice: 200 text/html; charset=utf-8