How do I debug DNS resolution issues between Cloudflare and my Caddy server?

By: USER1924
24 Agustus 2025 Support 5 minutes
4.5
76 views 76 comments 7 shares

Question

Grade: Education Subject: Support
How do I debug DNS resolution issues between Cloudflare and my Caddy server?
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Best Answer
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Use tools like `nslookup`, `dig`, and online DNS propagation checkers (whatsmydns.net) to verify your DNS records are correct and have propagated. Check your server's firewall rules to ensure Cloudflare's IPs are allowed. Examine your Caddyfile for any DNS-related configuration errors. Also, review Cloudflare's DNS settings for any conflicting configurations.
Answered on 24 Agustus 2025

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