R2 Custom Domain - Caching Suddenly Stopped Working
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My R2 bucket has a custom domain that was working perfectly until today. Videos and images that used to load
instantly are now slow.
Setup:
- R2 bucket with custom domain (proxied)
- Cache Rule enabled: hostname equals my custom domain → Eligible for cache, Edge TTL: 1 month
Problem:
All requests return cf-cache-status: DYNAMIC - nothing is being cached.
curl -I https://my-cdn.example.com/image.jpg
cf-cache-status: DYNAMIC
No Cache-Control header in the response.
What I've checked:
- Development Mode is OFF
- Cache Rule is enabled and first in order
- R2 custom domain shows "Active"
- DNS resolves to Cloudflare IPs
Nothing changed on my end. Was working fine yesterday. Any ideas why Cache Rules stopped applying to R2 custom
domains?
instantly are now slow.
Setup:
- R2 bucket with custom domain (proxied)
- Cache Rule enabled: hostname equals my custom domain → Eligible for cache, Edge TTL: 1 month
Problem:
All requests return cf-cache-status: DYNAMIC - nothing is being cached.
curl -I https://my-cdn.example.com/image.jpg
cf-cache-status: DYNAMIC
No Cache-Control header in the response.
What I've checked:
- Development Mode is OFF
- Cache Rule is enabled and first in order
- R2 custom domain shows "Active"
- DNS resolves to Cloudflare IPs
Nothing changed on my end. Was working fine yesterday. Any ideas why Cache Rules stopped applying to R2 custom
domains?
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