
Public DNS Resolver Comparison: Privacy, Security, Filtering
A comprehensive guide to compare the best public DNS resolvers: privacy, security, family filtering, DoH/DoT/DoQ, and deployment methods.
Public DNS resolvers comparison, configuration, and performance analysis.
9 articles

A comprehensive guide to compare the best public DNS resolvers: privacy, security, family filtering, DoH/DoT/DoQ, and deployment methods.

Surfshark DNS is a free public DNS resolver (IPv4/IPv6, DoH) focused on privacy. Here's when to use it, how to configure it, and what to check.

DNS4EU is a European public DNS with 5 variants (security, kids, ad blocking, neutral) and IPv4/IPv6 + DoH/DoT addresses. Deployment and verification guide.

CleanBrowsing is a public filtering DNS resolver (Family/Adult/Security) with DoH/DoT. Practical guide: router, mobile, checks, and anti-bypass.

NextDNS is a customizable DNS resolver: DoH/DoT encryption, filtering, profiles, and logs. Here’s how to deploy it cleanly at home or in an SMB.

AdGuard DNS is a public DNS resolver that can block ads/trackers (and, in Family mode, adult content). Addresses, DoH/DoT/DoQ, and an action plan.

1.1.1.1 is Cloudflare's public DNS resolver. Here's how to use it properly (addresses, DoH/DoT/ODoH, tests, pitfalls) and deploy it.

Quad9 (9.9.9.9) is a public DNS resolver focused on security and privacy: malware blocking, DNSSEC validation, and encrypted DoT/DoH options. Here's how to deploy it properly.

Learn what Google Public DNS 8.8.8.8 is, how it works, its speed and reliability benefits, privacy drawbacks, how to configure it on Windows 11 or a router, and which alternatives (Cloudflare 1.1.1.1, OpenDNS, etc.) to consider.
DNS Lookup
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Propagation & diagnostics
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Email authentication
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Text
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Text case converter
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Base64 encoder / decoder
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Slug generator
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Word & character counter
Measure the length of any text, with instant word and character counts.
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IP
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