IP = 116.62.182.194
Content type of robots.txt is text/html; charset=UTF-8!
Look up this url in the url tool
https://gaoding.com/.well-known/acme-challenge: 405 text/html; charset=UTF-8
https://gaoding.com/.well-known/csvm: 405 text/html; charset=UTF-8
https://gaoding.com/.well-known/nostr.json: 405 text/html; charset=UTF-8
https://gaoding.com/.well-known/security.txt: 405 text/html; charset=UTF-8
https://gaoding.com/.well-known/traffic-advice: 405 text/html; charset=UTF-8