IP = 203.107.63.81
robots.txtUser-agent: *
Disallow: /submissions
Disallow: /api
Disallow: /*/api
Disallow: /problems/random-one-question
Disallow: /accounts
Disallow: /contest/*/problems
Disallow: /playground
Disallow: /subscription
Disallow: /list
Disallow: /notes
Disallow: /session
Disallow: /progress
Disallow: /points
Disallow: /library
Disallow: /forums
Disallow: /discuss/index.php
Disallow: /search
Disallow: /u/
Sitemap: http://leetcode.cn/sitemap.xml
Look up this url in the url tool
https://leetcode.cn/.well-known/acme-challenge: 404 text/html; charset=utf-8
https://leetcode.cn/.well-known/csvm: 404 text/html; charset=utf-8
https://leetcode.cn/.well-known/nostr.json: 404 text/html; charset=utf-8
https://leetcode.cn/.well-known/security.txt: 404 text/html; charset=utf-8
https://leetcode.cn/.well-known/traffic-advice: 404 text/html; charset=utf-8