IP = 216.239.38.21
robots.txt# CS61A.org
User-agent: *
Disallow: /hw/solutions/
Look up this url in the url tool
https://cs61a.org/.well-known/acme-challenge: 404 text/html; charset=utf-8
https://cs61a.org/.well-known/csvm: 404 text/html; charset=utf-8
https://cs61a.org/.well-known/nostr.json: 404 text/html; charset=utf-8
https://cs61a.org/.well-known/security.txt: 404 text/html; charset=utf-8
https://cs61a.org/.well-known/traffic-advice: 404 text/html; charset=utf-8