IP = 57.144.104.141
Content type of robots.txt is text/html; charset="utf-8"!
Look up this url in the url tool
https://code.facebook.com/.well-known/acme-challenge: 200 text/html; charset="utf-8"
https://code.facebook.com/.well-known/csvm: 200 text/html; charset="utf-8"
https://code.facebook.com/.well-known/nostr.json: 200 text/html; charset="utf-8"
https://code.facebook.com/.well-known/security.txt: 200 text/html; charset="utf-8"
https://code.facebook.com/.well-known/traffic-advice: 200 text/html; charset="utf-8"