IP = 101.43.107.147
Content type of robots.txt is text/html;charset=utf-8!
Look up this url in the url tool
https://pdai.tech/.well-known/acme-challenge: 403 text/html;charset=utf-8
https://pdai.tech/.well-known/csvm: 403 text/html;charset=utf-8
https://pdai.tech/.well-known/nostr.json: 403 text/html;charset=utf-8
https://pdai.tech/.well-known/security.txt: 403 text/html;charset=utf-8
https://pdai.tech/.well-known/traffic-advice: 403 text/html;charset=utf-8