---
id: "public-dns-resolver"
kind: "glossary-term"
title: "public DNS resolver"
language: "en"
category: "DNS and technical foundations"
updated: "2026-10-10T09:09:47Z"
canonical: "https://tldlog.com/glossary/public-dns-resolver/"
translations:
  es: "https://tldlog.com/es/glosario/resolutor-dns-publico/"
  de: "https://tldlog.com/de/glossar/oeffentlicher-dns-resolver/"
  fr: "https://tldlog.com/fr/glossaire/resolveur-dns-public/"
  it: "https://tldlog.com/it/glossario/resolver-dns-pubblico/"
  pt-BR: "https://tldlog.com/pt/glossario/resolvedor-dns-publico/"
  ru: "https://tldlog.com/ru/glossariy/publichnyy-dns-rezolver/"
  zh-Hans: "https://tldlog.com/zh/cihui/gonggong-dns-jiexiqi/"
---

# public DNS resolver

A recursive resolver that anyone on the internet may use, instead of the one supplied by their internet provider. Large technology and security companies run well known ones. Operators can filter harmful or unlawful domains at this level.

## related terms

- [resolver](https://tldlog.com/glossary/resolver/)
- [DoH](https://tldlog.com/glossary/doh/)
- [DoT](https://tldlog.com/glossary/dot/)
- [anycast](https://tldlog.com/glossary/anycast/)
- [DNSSEC validation](https://tldlog.com/glossary/dnssec-validation/)