macOS
brew install hesiodlocal Homebrew formula metadata
brew
Library for the simple string lookup service built on top of DNS. Version 3.2.1 via Homebrew; verified from local package data.
install
brew install hesiodlocal Homebrew formula metadata
sudo apt install hesiodDebian stable package indexes · hesiod · source: deb.debian.org
overview
Library for the simple string lookup service built on top of DNS
history
Hesiod is a DNS-based name service from MIT Project Athena, packaged today as a small C library and `hesinfo`-style lookup tooling. Its historical importance is much larger than the modern package size: it represents an early Unix campus-computing approach to distributing user, group, mail, printer, service, and locker metadata through DNS.
MIT's Athena Technical Plan lists the Hesiod Name Service section as July 22, 1987, by Steven P. Dyer and Felix S. Hsu. RFC 1035's bibliography references an April 1987 Project Athena Hesiod name-service document and notes that it describes the fundamentals of the Hesiod name service.
The MIT Athena description explains Hesiod as a simple string lookup service on top of DNS: a client combines a name and type into a DNS name such as `name.type.ns.athena.mit.edu`, queries TXT records, and receives one or more result strings.
The maintained GitHub package identifies itself as release 3.2.1 of the Hesiod name service library, says Hesiod can provide general name service for many applications, and notes its basis in the Berkeley Internet Name Daemon. The repository was created on March 28, 2013, preserving the library in a conventional autotools-style source tree.
Hesiod's first adoption context was Project Athena, MIT's distributed workstation environment. MIT's own Athena overview says Athena used Hesiod for user account information, locker information, post office box information, workstation cluster information, and printer information.
The DNS protocol itself records Hesiod's historical footprint: IANA's DNS parameters registry assigns DNS class 4 to Hesiod (HS), citing the Project Athena name-service work. The modern library later moved its wire protocol toward class IN for deployability, but the HS class remains part of DNS history.
In package-manager terms, Hesiod survived as a niche but instructive Unix networking library. It appears in Homebrew, Debian, and Ubuntu not because most sites deploy it broadly, but because old Athena-style environments, compatibility code, and network-service historians still need a maintained implementation.
The README documents client configuration through `hesiod.conf`, with `rhs` and `lhs` values that build the DNS lookup suffix. It notes `/usr/local/etc/hesiod.conf` as the default sysconfdir path in that build configuration and explains that `HES_DOMAIN` can override the right-hand side at run time.
Administrators publish Hesiod data by making name servers authoritative for a domain such as `ns.your.domain` and adding TXT and CNAME records for data types like groups, service locations, and IDs. Clients then use the library or utilities to translate `(name, type)` pairs into strings.
The library's NEWS file documents evolution from imake to Autoconf, reentrant interfaces, a context-based `hesiod_*` API, shared-library installation, Debian packaging, automake, pkg-config metadata, and relicensing MIT material under the 2-clause BSD license.
Hesiod is package-nerd catnip because it is a tiny package with a deep systems lineage. It shows how DNS was once stretched into campus directory service, before LDAP, NSS modules, cloud identity providers, and configuration-management systems took over many of the same roles.
It also demonstrates a recurring packaging theme: old infrastructure survives when a clean library, man pages, and distribution packaging keep it buildable. The Homebrew package is therefore less about trendy usage and more about preserving a historically important network abstraction in a form modern Unix systems can compile.
security posture
library-like package without higher-risk signals.
green risk · low confidence · appliance
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
hesinfo | cli | global executable |
freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
https://github.com/achernya/hesiod
install metadata
| Package key | brew:hesiod |
|---|---|
| Version | 3.2.1 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/hesiod |
| Homepage | https://github.com/achernya/hesiod |
| Repository | https://github.com/achernya/hesiod |
| Upstream docs | https://github.com/achernya/hesiod#readme |
| License | BSD-2-Clause |
| Source archive | https://github.com/achernya/hesiod/archive/refs/tags/hesiod-3.2.1.tar.gz |
| Dependencies | libidn |
| Build dependencies | autoconf, automake, libtool |
| Bottle | available (on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura, x86_64_linux) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | hesiod |
| Version Scheme | 0 |
| Revision | 1 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
source database matches
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
hesiod 3.2.1-5
Project Athena's DNS-based directory service - utilities
sudo apt install hesiodlibhesiod-dev 3.2.1-5
Project Athena's DNS-based directory service - development files
sudo apt install libhesiod-devlibhesiod0 3.2.1-5
Project Athena's DNS-based directory service - libraries
sudo apt install libhesiod0hesiod 3.2.1-4build1
Project Athena's DNS-based directory service - utilities
sudo apt install hesiodlibhesiod-dev 3.2.1-4build1
Project Athena's DNS-based directory service - development files
sudo apt install libhesiod-devlibhesiod0 3.2.1-4build1
Project Athena's DNS-based directory service - libraries
sudo apt install libhesiod0source trail
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View the package source record on GitHub.