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Cloudflare DDNS vs ddclient: catalog facts
Cloudflare DDNS	ddclient
Free The open-source tool is available without a license fee.	Free The open-source software is available without a license fee. Hosting, hardware and…
Linux, Self-hosted, Command line	macOS, Linux, Command line
Handles IPv6 as well as IPv4 records Tiny container with one configuration file	Supports numerous DNS providers through one configuration.
Cloudflare-specific; it does not work with other DNS providers Requires an API token with DNS edit permission	Requires a supported provider and its update credentials.
Self-hosted	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.