IP = 104.21.65.232
Content type of robots.txt is text/html; charset=UTF-8!
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https://openloop.so/.well-known/acme-challenge: 520 text/html; charset=UTF-8
https://openloop.so/.well-known/csvm: 520 text/html; charset=UTF-8
https://openloop.so/.well-known/nostr.json: 520 text/html; charset=UTF-8
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https://openloop.so/.well-known/traffic-advice: 520 text/html; charset=UTF-8