Quick summary
- Term
- Cache
- Plain-English definition
- A cache is a temporary copy of data stored to make future requests faster.
- Technical definition
- A cache is a temporary copy of data stored to make future requests faster.
- Commonly confused with
- Related domain, DNS, registrar, API, or agent-infrastructure terms.
- Related terms
- TTL, DNS Propagation, Resolver
Definition
A cache is a temporary copy of data stored to make future requests faster.
Why it matters
DNS caches can make old DNS answers appear for a while after a record changes.