# Open-source DNS resolvers

3 open-source DNS resolvers rated against public privacy criteria.

1. [Unbound](https://privacyratings.com/dns-resolvers/unbound/): B (85/100). Validating, recursive and caching DNS resolver from NLnet Labs for running your own resolver, with DNS over TLS and DNS over HTTPS support.
2. [LibreDNS](https://privacyratings.com/dns-resolvers/libredns/): C (65/100). Public encrypted DNS resolver run by the volunteer LibreOps collective, with DoH and DoT endpoints and an optional ad-blocking endpoint.
3. [AdGuard](https://privacyratings.com/dns-resolvers/adguard/): C (63/100). Public DNS resolver from AdGuard that blocks ads, trackers and malicious domains, with open-source server software and DoH, DoT, DoQ and DNSCrypt support.

Source: https://privacyratings.com/open-source/dns-resolvers/