# Install checkdmarc

Command-line parser for SPF and DMARC DNS records. Version 5.17.0 via Homebrew; verified 2026-06-09.

## Install

```sh
sudo av install brew:checkdmarc
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install checkdmarc
```

  Evidence: local Homebrew formula metadata

## Package Facts

- **Package key:** brew:checkdmarc
- **Package manager:** Homebrew
- **Package manager URL:** <https://formulae.brew.sh/formula/checkdmarc>
- **Version:** 5.17.0
- **Source summary:** Command-line parser for SPF and DMARC DNS records
- **Homepage:** <https://domainaware.github.io/checkdmarc/>
- **Repository:** <https://github.com/domainaware/checkdmarc>
- **Upstream docs:** <https://domainaware.github.io/checkdmarc>
- **License:** Apache-2.0
- **Source archive:** <https://files.pythonhosted.org/packages/74/d0/885332e569452016e4348b9f187fb6315e2bdcb8ce1189f239b5d029caf7/checkdmarc-5.17.0.tar.gz>
- **Last updated:** 2026-06-09T23:42:07Z
- **Generated:** 2026-06-10T07:18:26+00:00

## Executables

- checkdmarc (cli)
- checkdmarc (alias)

## Dependencies

- certifi
- cryptography
- python@3.14

## Install Behavior

- Post-install hook: not defined
- Bottle: available on all

## Freshness

- Page generated: 2026-06-10
- Package-manager version: 5.17.0
- Package-manager updated: 2026-06-09
- Local data status: ok
- Upstream repository: https://domainaware.github.io/checkdmarc/
- info: Release/tag comparison is only available for GitHub repositories.

## Sicherheitshinweise

no executable entrypoint in the package index.

- **Geiger risk:** green / low
- no executable entrypoint in the package index

## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** checkdmarc
- **Version Scheme:** 0
- **Revision:** 0
- **Head Version:** HEAD
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** head, stable


## Related Links

- [Source-control packages](https://www.automicvault.com/de/pkg/source-control-tools/) - Belongs to a source-control command family.
- [Terminal utility packages](https://www.automicvault.com/de/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Text processing packages](https://www.automicvault.com/de/pkg/text-processing-tools/) - Matched text, document, or structured-data processing metadata.
- [Networking and protocol packages](https://www.automicvault.com/de/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [python@3.14](https://www.automicvault.com/de/pkg/brew/python-3-14/) - Runtime dependency declared by Homebrew.
- [technitium-dns](https://www.automicvault.com/de/pkg/brew/technitium-dns/) - Shares av.db curated category or tags: cli, dns, networking, security.
- [unbound](https://www.automicvault.com/de/pkg/brew/unbound/) - Shares av.db curated category or tags: cli, dns, networking.
- [c-ares](https://www.automicvault.com/de/pkg/brew/c-ares/) - Shares av.db curated category or tags: cli, dns, networking.
- [libidn2](https://www.automicvault.com/de/pkg/brew/libidn2/) - Shares av.db curated category or tags: cli, dns, networking.
- [libidn](https://www.automicvault.com/de/pkg/brew/libidn/) - Shares av.db curated category or tags: cli, dns, networking.
- [dnsmasq](https://www.automicvault.com/de/pkg/brew/dnsmasq/) - Shares av.db curated category or tags: cli, dns, networking.
- [ldns](https://www.automicvault.com/de/pkg/brew/ldns/) - Shares av.db curated category or tags: cli, dns, networking.
- [bind](https://www.automicvault.com/de/pkg/brew/bind/) - Shares av.db curated category or tags: cli, dns, networking.
- [lexicon](https://www.automicvault.com/de/pkg/brew/lexicon/) - Both packages touch the same language runtime or ecosystem. Shared terms: certifi, cli, cryptography, dns, networking.
- [dnsviz](https://www.automicvault.com/de/pkg/brew/dnsviz/) - Both packages touch the same language runtime or ecosystem. Shared terms: cli, cryptography, dns, networking, python.
- [parsedmarc](https://www.automicvault.com/de/pkg/brew/parsedmarc/) - Both packages touch the same language runtime or ecosystem. Shared terms: certifi, cli, cryptography, dmarc, email.

## Sources

- Nucleus package database
- Geiger risk classifier
- package-page enrichment
- package version freshness
- av.db category and tag curation
- package relationship graph
- cross-ecosystem install command graph