Dmarc Examiner MCP Server

by dmarc-examiner Your server? Claim it

answering

Dmarc Examiner is answering right now. Last checked moments ago. 47 installs a week from npm. It exposes 21 tools. Last commit 19 Aug 2026.

Read your own DMARC aggregate and forensic reports: sources, alignment, alerts, CSV export.

Installs per day peak 11 · avg 4 · +21% w/w

a month agotoday

Uptime history 91 days of history · worst day 57%

91 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

272 ms

Response time

average over 24h

Installs / week

npm and PyPI

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 17 August 2026. No other catalogue keeps this.

17 Aug a tool changed version

What the code does

We read the source, 3 d ago · tools taken from the live server · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command src/auth.ts:134

    spawn(command, [url], { detached: true, stdio: 'ignore', shell: process.platform === 'win32' })

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 0 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcp --transport http https://mcp.dmarc-examiner.com/mcp

Settings → Connectors → Add custom connector, then paste this address

https://mcp.dmarc-examiner.com/mcp

~/.codex/config.toml

[mcp_servers.mcp]
url = "https://mcp.dmarc-examiner.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://mcp.dmarc-examiner.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://mcp.dmarc-examiner.com/mcp"
    }
  }
}

Available tools 21

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

forensic

get_forensic_report

Get the full detail of a forensic (RUF) report by UUID, including the raw failed message envelope.

get_forensic_reports_statistics

Aggregated forensic-report counters grouped by auth failure type, delivery result, source IP (with geolocation) and reported domain.

get_forensic_reports_summary

Summary of forensic activity in the last 7 days — useful for daily digest views.

list_forensic_reports

List DMARC RUF (forensic) reports with optional filtering and pagination. Returns 403 if the plan does not include forensic reports (Pro plan and above).

domain

create_domain

Add a new domain to the organization. Response includes the reporting_email and dmarc_record values to publish in DNS. May return 402 if the plan domain limit has been reached.

delete_domain

Remove a domain from monitoring. Soft-deletes; historical reports remain accessible.

get_domain

Get details of a specific domain

webhook

create_webhook

Create a new webhook endpoint. URL must start with https://. Returns 422 if the organization has reached its webhook limit.

delete_webhook

Delete a webhook endpoint permanently.

update_webhook

Update a webhook. Any combination of url, name and is_active may be provided; URL must remain HTTPS.

report

get_report

Get details of a specific DMARC report

get_report_statistics

Get statistics for a specific DMARC report

alerts

list_alerts

List alerts for your organization

dismiss

dismiss_alert

Dismiss a specific alert

dmarc

check_dmarc

Inspect the public DMARC record at _dmarc.<domain>. The domain does not need to belong to your organization. Returns parsed policy and rua/ruf addresses.

domains

list_domains

List all monitored domains in your organization

export

export_report_csv

Export a DMARC report as CSV

reports

list_reports

List DMARC reports for your organization

test

test_webhook

Send a synchronous webhook.test event to verify connectivity. Returns the delivery status. Test events do NOT update last_triggered_at, last_status or failure_count.

verify

verify_domain

Re-check a domain's DNS to confirm the DMARC record contains the organization's reporting email. Updates status to verified on success.

webhooks

list_webhooks

List webhook endpoints configured for the organization. Returns 403 if the plan does not include advanced alerting (Pro and above).

Endpoints

URL	Transport	State	Latency	Checked
https://mcp.dmarc-examiner.com/mcp	streamable-http	answering	252 ms	0 min ago

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Dmarc Examiner — questions

Answers built from our own checks of this server.

What can Dmarc Examiner do?

It exposes 21 tools, read directly from the server on our last check. Among them: check_dmarc, create_domain, create_webhook, delete_domain, delete_webhook, dismiss_alert and 15 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

What is Dmarc Examiner mostly used for?

Its tools cluster around forensic, domain and webhook. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.

Is Dmarc Examiner working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 272 ms. The bar chart above shows every period we have measured.

How do I connect Dmarc Examiner?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Dmarc Examiner need an API key?

No. Dmarc Examiner completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 21 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Dmarc Examiner?

It answers our handshake in 272 ms on average, which is faster than 51% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

How many people use Dmarc Examiner?

The npm package @dmarc-examiner/mcp was installed 47 times in the last week. Week over week that is +21%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Dmarc Examiner open source?

The code is open source: it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at mcp.dmarc-examiner.com, which runs on its operator's own terms.