IP = 148.153.46.90
Content type of robots.txt is text/html!
Look up this url in the url tool
https://space.bilibili.com/.well-known/acme-challenge: 412 text/html
https://space.bilibili.com/.well-known/csvm: 412 text/html
https://space.bilibili.com/.well-known/nostr.json: 412 text/html
https://space.bilibili.com/.well-known/security.txt: 412 text/html
https://space.bilibili.com/.well-known/traffic-advice: 412 text/html