Cloudflare推荐的检测被墙和域名解析的工具站 comparitech.com dnschecker.org

检测被墙 https://www.comparitech.com/privacy-security-tools/blockedinchina/

检测域名解析 https://dnschecker.org/

信息源: https://support.cloudflare.com/hc/en-us/articles/200169566-Troubleshooting-Cloudflare-domains-blocked-by-China