Unbound is a validating, recursive, caching DNS resolver. It is designed to be fast and lean and incorporates modern features based on open standards. To help increase online privacy, Unbound supports DNS-over-TLS and DNS-over-HTTPS which allows clients to encrypt their communication. In addition, it supports various modern standards that limit the amount of data exchanged with authoritative serve
![Unbound - About](https://cdn-ak-scissors.b.st-hatena.com/image/square/084f1c556206c82c6b376b6d5636d75dffaadfe5/height=288;version=1;width=512/https%3A%2F%2Fnlnetlabs.nl%2Fstatic%2Flogos%2FNLnetLabs%2FMark_NLnet_Labs.png)