Clean IP （域名）提供站点：

  1. https://www.wetest.vip/page/cloudflare/address_v4.html
  2. https://ipdb.030101.xyz/bestcf/
  3. https://stock.hostmonit.com/CloudFlareYes
  4. https://mrxn.net/BESTCFDOMAIN

PROXY IP 测试站点：

  1. https://ipdb.030101.xyz/bestproxy/
  2. https://www.nslookup.io/domains/bpb.yousef.isegaro.com/dns-records/