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Knot Resolver vs CoreDNS: catalog facts
Knot Resolver	CoreDNS
Free Free to download and use under the GPL.	Free Free and open source under the Apache 2.0 licence.
Linux, Self-hosted	Linux, Self-hosted, Command line
Small core with features in optional C and Lua modules Scales from home routers to large deployments	Plugin chain handles rewriting, zone files, metrics and service discovery Custom builds can include only needed plugins
Configured by hand, with no graphical dashboard Some newer features, such as unencrypted DoH mode, are still alpha	Ad or content blocking needs manual plugin setup rather than a ready interface No graphical dashboard
Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: GPL	License: Apache-2.0
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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