IP = 198.252.206.17
Content type of robots.txt is text/html!
Look up this url in the url tool
https://stack.imgur.com/.well-known/acme-challenge: 400 text/html
https://stack.imgur.com/.well-known/csvm: 400 text/html
https://stack.imgur.com/.well-known/nostr.json: 400 text/html
https://stack.imgur.com/.well-known/security.txt: 400 text/html
https://stack.imgur.com/.well-known/traffic-advice: 400 text/html