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AdGuard DNS CLI vs ctrld: catalog facts
AdGuard DNS CLI	ctrld
Free The client is free and open source.	Free The proxy is free; Control D's filtering service is a separate product.
Windows, Command line	Windows, macOS, Linux, Self-hosted, Command line
Lightweight local DNS server forwarding to AdGuard DNS YAML configuration file	Forwards queries to encrypted DNS upstreams Split-horizon and policy-based routing of queries
Built around the AdGuard DNS service Command-line and config file only, with no graphical interface	Configuration is file-based and aimed at technical users Most documented use centres on Control D's own service
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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