31 lines
1.6 KiB
Markdown
31 lines
1.6 KiB
Markdown
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# Built-in provider policy
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Provider endpoints and capabilities must be verified against the provider's
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official documentation before they are added or changed. The built-in entries
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below were verified on 2026-08-13.
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## Candidate providers
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| Provider | DoH endpoint | DoT endpoint / authentication name | Official documentation | Profile |
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| --- | --- | --- | --- | --- |
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| Cloudflare | `https://cloudflare-dns.com/dns-query` | `one.one.one.one:853` | [DoH](https://developers.cloudflare.com/1.1.1.1/encryption/dns-over-https/make-api-requests/) / [DoT](https://developers.cloudflare.com/1.1.1.1/encryption/dns-over-tls/) | Unfiltered |
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| Google | `https://dns.google/dns-query` | `dns.google:853` | [DoH](https://developers.google.com/speed/public-dns/docs/doh) / [DoT](https://developers.google.com/speed/public-dns/docs/dns-over-tls) | Unfiltered |
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| Quad9 | `https://dns.quad9.net/dns-query` | `dns.quad9.net:853` | [Quad9 services](https://docs.quad9.net/services/) | Security filtered; HTTP/2 required |
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| AdGuard | `https://dns.adguard-dns.com/dns-query` | `dns.adguard-dns.com:853` | [AdGuard providers](https://adguard-dns.io/kb/general/dns-providers/) | Ads, tracking, and security filtered |
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## Registry requirements
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Each built-in provider entry must include:
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- stable provider identifier;
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- protocol and endpoint;
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- authentication domain name;
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- bootstrap addresses only when officially published;
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- filtering/ECS profile;
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- official source URL;
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- last verification date.
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Do not infer one protocol endpoint from another. Do not treat filtering and
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non-filtering services as interchangeable. Provider comparison results must
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remain separate.
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