Unbound (DNS server)

DNS resolver software From Wikipedia, the free encyclopedia

Unbound (DNS server)

Unbound is a validating, recursive, and caching DNS resolver product from NLnet Labs. It is distributed free of charge in open-source form under the BSD license.

Quick Facts Developer(s), Initial release ...
Unbound
Developer(s)NLnet Labs
Initial releaseFebruary 19, 2007; 18 years ago (2007-02-19)
Stable release
1.22.0[1]  / 17 October 2024; 6 months ago (17 October 2024)
RepositoryUnbound by NLnetLabs on GitHub
Written inC
Operating systemUnix-like, Windows
TypeDNS server
LicenseBSD license
Websiteunbound.net 
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Features

History

Originally designed by Jakob Schlyter of Kirei and Roy Arends of Nominet in 2004, funding was provided by VeriSign and ep.net to develop a prototype written in Java (David Blacka and Matt Larson, VeriSign). In 2006, the prototype was re-written for high-performance in the C programming language by NLnet Labs.[10]

Unbound is designed as a set of modular components that incorporate modern features, such as enhanced security (DNSSEC) validation, Internet Protocol Version 6 (IPv6), and a client resolver application programming interface library as an integral part of the architecture. Originally written for POSIX-compatible Unix-like operating system, it runs on FreeBSD, OpenBSD, NetBSD, macOS, and Linux, as well as Microsoft Windows.

Reception

Unbound has supplanted the Berkeley Internet Name Daemon (BIND) as the default, base-system name server in FreeBSD and OpenBSD, where it is perceived as smaller, more modern, and more secure for most applications.[11][12]

See also

References

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