# HostSherlock

- **Website:** <https://hostsherlock.com>
- **Primary alias:** `hostsherlock.com`

## Description

HostSherlock provides tools for checking domain security, email authentication, and deliverability. Its Domain Audit + Fix Guide scans a domain in about 60 seconds, assessing public DNS and mail settings across 17 signals, including SPF, DKIM, DMARC, MTA-STS, MX certificates, and blocklist status. Results distinguish confirmed issues from items that could not be measured and prioritize findings with practical guidance on what to address first.

The product range also includes daily impersonation monitoring for lookalike domains, DMARC monitoring, an API for developers, email verification, and bulk list cleaning. HostSherlock offers a Chrome extension for checking domains while browsing, with Email Guard listed as coming soon. Its free browser-based tools, which require no account, include email, MX, SPF, DMARC, DNS, host, and blacklist checks, as well as a public IP lookup. The company explains how its scoring works and connects checks to relevant technical standards and compliance considerations. Individual products can be used independently or bundled, with pricing and additional resources available through the site.

## Industries

- 🖥 Computers Electronics and Technology

## Logos & icons

- logo _(primary)_ — PNG, SVG — [download](https://cdn.brandfetch.io/idtpw_6sfx/w/820/h/114/theme/dark/logo.png?c=1bxid64Mup7aczewSAYMX&t=1790888443964)

## Colors

| Name | Hex | Theme |
| --- | --- | --- |
| Lochmara | #0077c2 | accent |
| Bunker | #0e1015 | dark |
| White | #ffffff | light |

## Fonts

- var(--font-display) — asset _(custom)_
- var(--font-sans) — asset _(custom)_

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_Source: <https://brandfetch.com/hostsherlock.com>_
_See [/llms.txt](/llms.txt) for a full list of agent-readable pages, and [/auth.md](/auth.md) for how agents authenticate._