cloudflare-dyndns

Middleware for updating Cloudflare DNS records through an AVM FRITZ!Box.

Getting started

Create a Cloudflare API token

Create a Cloudflare API token with read permissions for the scope Zone.Zone and edit permissions for the scope Zone.DNS.

Option 1: Self-host cloudflare-dyndns with Docker

Start cloudflare-dyndns:

docker run -p 80:80 ghcr.io/l480/cloudflare-dyndns:latest

Option 2: Use my cloud service

If you don't want to host cloudflare-dyndns yourself, feel free to use my cloud service. Just enter https://functions.nicoo.org/function/cloudflare-dyndns?token=<pass>&record=www&zone=example.com&ipv4=<ipaddr>&ipv6=<ip6addr> as Update URL in your FRITZ!Box.

Configure your FRITZ!Box

FRITZ!Box Setting	Value	Description
Update URL	https://functions.nicoo.org/function/cloudflare-dyndns?token=<pass>&record=www&zone=example.com&ipv4=<ipaddr>&ipv6=<ip6addr>	Replace the URL parameter record and zone with your domain name. If required you can omit either the ipv4 or ipv6 URL parameter.
Domain Name	www.example.com	The FQDN from the URL parameter record and zone.
Username	admin	You can choose whatever value you want.
Password	9NAFwkM7D3hBdM2acJWXDvdCzySqz4xf3MfBaP2b	The API token you’ve created earlier.