IP = 108.139.10.26
Content type of robots.txt is application/xml!
Look up this url in the url tool
https://python.api.codegrade.com/.well-known/acme-challenge: 403 application/xml
https://python.api.codegrade.com/.well-known/csvm: 403 application/xml
https://python.api.codegrade.com/.well-known/nostr.json: 403 application/xml
https://python.api.codegrade.com/.well-known/security.txt: 403 application/xml
https://python.api.codegrade.com/.well-known/traffic-advice: 403 application/xml