Add the hostname to your pull zone
- Open your pull zone in the dashboard
- Locate the Hostnames panel in the General section
- Enter your custom domain (e.g.,
cdn.yourdomain.com) - Click Add hostname

Copy the CNAME record
Copy the CNAME record value shown below the hostname field. You’ll need this for the next step.

Update your DNS settings
Add a CNAME record at your DNS provider:
- Log in to your DNS provider (Cloudflare, Route 53, or similar)
- Create a new CNAME record:
- Name/Host: Your subdomain (e.g.,
cdn) - Type: CNAME
- Value: The CNAME from step 2 (e.g.,
yourzone.b-cdn.net) - TTL: 3600 seconds or lower
- Name/Host: Your subdomain (e.g.,
Wait for DNS propagation
Save the DNS record. Your domain connects to bunny.net once DNS propagates, typically within a few minutes to an hour.

