unbound (net/unbound) Updated: 2 months, 2 weeks ago Add to my watchlist

Validating, recursive, and caching DNS resolver.

Unbound is a validating, recursive, and caching DNS server software product from NLnet Labs, VeriSign Inc., Nominet, and Kirei. It is distributed free of charge in open source form under the BSD license. 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 library API as an integral part of the architecture.

Version: 1.19.0 License: BSD GitHub
Maintainers nerdling
Categories net
Homepage https://nlnetlabs.nl/projects/unbound/
Platforms darwin
  • dnstap (Enable dnstap support (a binary log format for DNS software))
  • libevent (Build with libevent (slower, but allows use of large outgoing port ranges))
  • nghttp2 (Build with libnghttp2 (required when setting up ${name} with DoH))
  • universal (Build for multiple architectures)

"unbound" depends on

lib (3)
build (2)

Ports that depend on "unbound"

Port notes

An example configuration is provided at ${prefix}/etc/unbound/unbound.conf-dist. A startup item has been generated that will aid in starting unbound with launchd. It is disabled by default. Execute the following command to start it, and to cause it to launch at startup:

sudo port load unbound

Port Health:

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Installations (30 days)


Requested Installations (30 days)


Livecheck results

unbound seems to have been updated (port version: 1.19.0, new version: 1.19.1)

livecheck ran: 1 day, 21 hours ago