Helpful resources

Free anycast DNS resolvers. Verify current endpoints and policies on provider sites before production use.

Provider IPv4 IPv6 DoH DoT host
Google Public DNS 8.8.8.8, 8.8.4.4 2001:4860:4860::8888, ::8844 dns.google/dns-query dns.google
Notes and variants
  • DNSSEC validating, no filtering. DoH/DoT supported.
  • Abuse protections and rate limiting may apply, no published per-user caps.
  • DNS64 available on dns64.dns.google.
Cloudflare 1.1.1.1 1.1.1.1, 1.0.0.1 2606:4700:4700::1111, ::1001 cloudflare-dns.com/dns-query 1dot1dot1dot1.cloudflare-dns.com
Notes and variants
  • Privacy focused, no malware/adult filtering by default.
  • Family variants: 1.1.1.2/1.0.0.2 (malware), 1.1.1.3/1.0.0.3 (malware+adult).
  • Provider may throttle abusive traffic.
Quad9 (secured) 9.9.9.9, 149.112.112.112 2620:fe::fe, 2620:fe::9 dns.quad9.net/dns-query dns.quad9.net
Notes and variants
  • Security filtering using threat feeds.
  • Unsecured and ECS variants available on separate addresses.
  • DNSCrypt supported.
OpenDNS 208.67.222.222, 208.67.220.220 2620:119:35::35, ::53 — —
Notes and variants
  • Optional filtering and stats with an account.
  • FamilyShield endpoints: 208.67.222.123, 208.67.220.123.
AdGuard DNS 94.140.14.14, 94.140.15.15 2a10:50c0::ad1:ff, ::ad2:ff dns.adguard-dns.com/dns-query dns.adguard-dns.com
Notes and variants
  • Blocks ads, trackers, and malware. Family and non-filtering endpoints available.
  • Encrypted transports supported (DoH/DoT).
CleanBrowsing (Security) 185.228.168.9, 185.228.169.9 2a0d:2a00:1::2, 2a0d:2a00:2::2 doh.cleanbrowsing.org security-filter.dns.cleanbrowsing.org
Notes and variants
  • Security-only, Family, and Adult-filter variants available.
  • Check provider docs for current policies and performance regions.

Always validate resolver policies, logging, and jurisdictions before production use. Providers may update endpoints or features.