---
id: "negative-caching"
kind: "glossary-term"
title: "negative caching"
language: "en"
category: "DNS and technical foundations"
updated: "2026-10-04T14:01:23Z"
canonical: "https://tldlog.com/glossary/negative-caching/"
translations:
  es: "https://tldlog.com/es/glosario/almacenamiento-cache-respuestas-negativas/"
  de: "https://tldlog.com/de/glossar/negative-caching/"
  fr: "https://tldlog.com/fr/glossaire/mise-cache-negative/"
  it: "https://tldlog.com/it/glossario/caching-negativo/"
  pt-BR: "https://tldlog.com/pt/glossario/cache-negativo/"
  ru: "https://tldlog.com/ru/glossariy/negativnoe-keshirovanie/"
  zh-Hans: "https://tldlog.com/zh/cihui/fouding-huancun/"
---

# negative caching

Storing the fact that a name or record does not exist, so the same failed lookup is not repeated. How long it is kept is set by values in the zone's SOA record. This is why a newly created name can seem missing for a while if someone looked it up too early.

## related terms

- [DNS caching](https://tldlog.com/glossary/dns-caching/)
- [NXDOMAIN](https://tldlog.com/glossary/nxdomain/)
- [SOA record](https://tldlog.com/glossary/soa-record/)
- [TTL](https://tldlog.com/glossary/ttl/)
- [DNS propagation](https://tldlog.com/glossary/dns-propagation/)