IP = 104.26.0.151
Content type of robots.txt is text/html; charset=UTF-8!
Look up this url in the url tool
https://blockstack.org/.well-known/acme-challenge: 522 text/html; charset=UTF-8
https://blockstack.org/.well-known/csvm: 522 text/html; charset=UTF-8
https://blockstack.org/.well-known/nostr.json: 522 text/html; charset=UTF-8
https://blockstack.org/.well-known/security.txt: 522 text/html; charset=UTF-8
https://blockstack.org/.well-known/traffic-advice: 522 text/html; charset=UTF-8