A small project to leverage the Cloudflare Workers and Cloudflare KV systems to provide a dynamic DNS service without the need to rely on third-party services.
Tested for use with AVM Fritz!Box. Should be compatible with most dynamic DNS setups.
- Make sure to create the following secrets before publishing the worker to your account:
ZONE_ID- Your designated Cloudflare DNS zoneAPI_TOKEN- A Cloudflare API token with "Edit DNS zone" scope.
- Create a KV namespace and configure your wrangler.toml with the KV namespace ID and Account ID
- Create users in your KV namespace that can access the update endpoint with the following scheme:
subdomains:{YOUR_USERNAME}:token- ACCESSTOKEN of the user
- Start using the worker:
- Send a GET request to {WORKER_URL}/update?ip={YOUR_DYNAMIC_IP} Basic Auth credentials in scheme {YOUR_USERNAME}: {ACCESSTOKEN}
- When a DNS record receives it's first update it takes a short time until the KV update is propagated through Cloudflare. As such it is possible that two different records will be created if IPs in consecutive requests don't match.
If you think that this worker should be improving please feel free to create an Issue or pull request with your proposed changes.
