# Install denominator with Homebrew Portable Java library for manipulating DNS clouds. Version 4.7.1 via Homebrew; verified from local package data. ## Install ```sh sudo av install brew:denominator ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install denominator ``` Evidence: local Homebrew formula metadata ## Package facts - **Package key:** brew:denominator - **Package manager:** Homebrew - **Package manager page:** - **Version:** 4.7.1 - **Source summary:** Portable Java library for manipulating DNS clouds - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** Apache-2.0 - **Source archive:** - **Generated:** 2026-07-08T07:18:31+00:00 ## Executables - denominator (cli) - denominator (alias) ## Dependencies - openjdk ## Install behavior - Post-install hook: not defined - Bottle: available on all ## Freshness - Page generated: 2026-07-08 - Package-manager version: 4.7.1 - Local data: ok - Upstream repository: https://github.com/Netflix/denominator - info: No package-manager update timestamp was available. - info: No cached GitHub release or tag data was available. ## Project history and usage Denominator is a Netflix OSS Java library and CLI for portable control of DNS providers. It abstracts common zone and record operations across Route53, UltraDNS, DynECT, Rackspace Cloud DNS, OpenStack Designate, and mock providers. ### Project history The official GitHub repository was created in January 2013 and describes Denominator as a portable Java library for manipulating DNS clouds, with a command-line version for quick use. The README ties the project to Netflix's need for multi-vendor DNS control and documents pluggable back ends, provider-specific credentials, and a common resource-record-set model. The CLI was packaged as a single executable jar so operators could run denominator like a normal Unix command instead of invoking java -jar. Its git-like command shape, provider listing, and YAML configuration file made it feel closer to dig or git than to a Java library demo. The GitHub repository is now archived, but tags through v4.7.1 and the v4.7.1 CLI docs preserve the last mature interface for Homebrew and other users. ### Adoption history Denominator's adoption was strongest in the Netflix OSS era, when cloud infrastructure teams wanted provider-neutral libraries for operational automation. Its Homebrew packaging was documented directly in the upstream README, which is a good sign that the CLI was intended for operators, not just Java developers. Its provider list reflected the multi-DNS reality of the early cloud era: AWS Route53, UltraDNS, DynECT, Rackspace Cloud DNS, OpenStack Designate, and test mocks all sat behind one command and API. ### How it is used CLI users choose a provider with -p or a named provider from ~/.denominatorconfig, then list or change zones, records, and geo records. Credentials can be passed as repeated -c arguments, read from the YAML config file, or supplied by DENOMINATOR_ environment variables. Library users create a DNSApiManager for a provider and then work with zones and resource record sets. The official README emphasizes a portable model where providers are Dagger modules and HTTP bindings are handled through Feign. ### Why package nerds care Denominator is a useful package-history artifact because it captures a moment when Netflix OSS libraries were routinely packaged as operator tools. A Java cloud library became a brew-installable executable for DNS work. It also shows why package managers preserve older infrastructure tools: even archived projects can remain useful for legacy automation, migrations, or reading old operational scripts. ### Timeline - 2013: The Netflix/denominator repository is created on GitHub. - 2013: The README documents Denominator as a multi-vendor interface for DNS clouds. - 2015: The v4.x tag series is active, including v4.6.0 in the CLI docs. - 2023: The archived repository shows its last push date in GitHub metadata. ### Related projects - AWS Route53, UltraDNS, DynECT, Rackspace Cloud DNS, and OpenStack Designate are official providers listed by Denominator. - Dagger and Feign are Java libraries used in the provider architecture documented by the README. - dig is an inspiration for the CLI feel, while git is an inspiration for subcommand structure. ### Sources - - - - - ## Security Notes infrastructure mutation or orchestration signal. - **Geiger risk:** orange / medium - infrastructure mutation or orchestration signal ## Configuration and credential file locations These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval. ## Configuration files - Unix: ~/.denominatorconfig ## Credential files - Unix: ~/.denominatorconfig ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** denominator - **Version Scheme:** 0 - **Revision:** 0 - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** stable ## Related links - [Cloud CLI packages](https://www.automicvault.com/pkg/cloud-clis/) - Belongs to a cloud or infrastructure command family. - [Source-control packages](https://www.automicvault.com/pkg/source-control-tools/) - Belongs to a source-control command family. - [Secret-risk packages](https://www.automicvault.com/pkg/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals. - [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [openjdk](https://www.automicvault.com/pkg/brew/openjdk/) - Runtime dependency declared by Homebrew. - [cli53](https://www.automicvault.com/pkg/brew/cli53/) - Shares av.db curated category or tags: cli, cloud-infrastructure, dns. - [dnscontrol](https://www.automicvault.com/pkg/brew/dnscontrol/) - Shares av.db curated category or tags: cli, cloud-infrastructure, dns. - [aiven-client](https://www.automicvault.com/pkg/brew/aiven-client/) - Shares av.db curated category or tags: cli, cloud, cloud-infrastructure. - [aliyun-cli](https://www.automicvault.com/pkg/brew/aliyun-cli/) - Shares av.db curated category or tags: cli, cloud, cloud-infrastructure. - [azion](https://www.automicvault.com/pkg/brew/azion/) - Shares av.db curated category or tags: cli, cloud, cloud-infrastructure. - [cloudflare-cli4](https://www.automicvault.com/pkg/brew/cloudflare-cli4/) - Shares av.db curated category or tags: cli, cloud-infrastructure, dns. - [cloudmonkey](https://www.automicvault.com/pkg/brew/cloudmonkey/) - Shares av.db curated category or tags: cli, cloud, cloud-infrastructure. - [cntb](https://www.automicvault.com/pkg/brew/cntb/) - Shares av.db curated category or tags: cli, cloud, cloud-infrastructure. - [flarectl](https://www.automicvault.com/pkg/brew/flarectl/) - Local package facts share a topical domain. Shared terms: cli, cloud, cloud-infrastructure, dns, infrastructure. ## Combined YAML source View the package source record on GitHub. [combined/denominator.yml](https://github.com/automic-vault/db/blob/main/combined/denominator.yml) ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - curated configuration and credential file locations - curated package history - package version freshness - av.db category and tag curation - package relationship graph - cross-ecosystem install command graph