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DNS4EU vs AdGuard DNS: catalog facts
DNS4EU	AdGuard DNS
Free Free public service for individuals, with separate offerings for institutions and…	Freemium The public resolvers are free. Private DNS accounts with custom rules are paid beyond a…
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux, Android, iOS
No software or agent to install, only a DNS address to set Resolution runs on EU infrastructure under EU rules	Works through Android Private DNS with no app to install Supports DNS-over-QUIC as well as the usual encrypted transports
Filtering is fixed per variant, with no custom block lists for individuals Relies on trusting a third-party resolver with your queries	Filtering happens on their servers, so they see your lookups Custom rules and statistics need a paid account beyond a small free tier
Hosted service	Hosted service
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is 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 22, 2026

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