Developer Tools

Domain Bannin

Check domain security, email authentication, DNS and SSL certificate configuration using public data

Diagnoses domain health by checking SPF, DKIM, DMARC, DNS records, SSL certificates, security headers, DNSSEC, CAA, HSTS, domain registration status and typosquatting risks. No sign-up required.

Try asking Muse: "Check if my company domain has proper email authentication and SSL certificate setup"

Working now?

Working

Worked last 7 days

100% of checks

How to get it

Extra setup

Account

No account needed

Price

Not stated

Source: Found in the official MCP Registry (io.github.j-doi/domain-bannin) · First listed September 25, 2026

Last 24 hours

Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 h ago.

Is it safe to connect?

What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.

Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.

musedirectory.ai is not part of Meta. More about how Muse handles your information

How to add it to Muse

Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.

Paste this into Muse

Use Domain Bannin to help me. It is a free service with an MCP server at https://domain-bannin.jp/api/mcp. It does not need an API key. Ask me before you share anything with it.

Open Muse

https://domain-bannin.jp/api/mcp

Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.

Technical details: safety screening, tools, response time and recent checks

Response time at the last check: 847ms. Worked in 100% of checks over 30 days.

Screening · September 25, 2026

Screened, no issues found

MCP handshake

Pass

Answered in 630ms

Domain against threat feeds (Cloudflare security DNS)

Pass

domain-bannin.jp not flagged

Published packages against the OSV malicious-package database

n/a

No npm or PyPI package published

Hidden instructions or invisible characters in tool text

Pass

1 tools read, nothing found

Inputs asking for passwords, card numbers or seed phrases

Pass

None found

Domain and redirects

Pass

No redirects off the domain

AI review of purpose and tool behavior

Pass

No concerns

Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.

Tools · 1

domain_diagnoseRuns a comprehensive health check on a public domain: SPF / DKIM / DMARC for the headline score, plus optional details on email-auth adjacent records (MX, BIMI, MTA-STS, TLS-RPT, DKIM key length), DNS infrastructure (NS, DNSSEC, CAA, AAAA, SOA, TXT), web security (HTTPS, certific

Recent checks

2026-09-28 07:01:01live · HTTP 200847ms

2026-09-28 04:45:51live · HTTP 200861ms

2026-09-28 02:16:04live · HTTP 200284ms

2026-09-28 00:00:57live · HTTP 2001464ms

2026-09-27 21:45:52live · HTTP 200821ms

2026-09-27 19:16:14live · HTTP 2001224ms

2026-09-27 17:01:11live · HTTP 2002197ms

2026-09-27 15:01:25live · HTTP 2001472ms

2026-09-27 12:45:52live · HTTP 2002223ms

2026-09-27 10:16:17live · HTTP 200781ms

2026-09-27 08:01:45live · HTTP 2001300ms

2026-09-27 05:31:49live · HTTP 2002026ms

Link

https://domain-bannin.jp/api/mcp

Questions about Domain Bannin in Muse

How do I connect Domain Bannin to Muse?

Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Domain Bannin to help me. It is a free service with an MCP server at https://domain-bannin.jp/api/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.

Is Domain Bannin working right now?

At the last check (September 28, 2026, 07:01 UTC) the endpoint was working, answering in 847ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.

Is Domain Bannin safe to connect to Muse?

It was screened on September 25, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.

What can Domain Bannin do in Muse?

It exposes 1 tools, including domain_diagnose. For example, you could ask Muse: "Check if my company domain has proper email authentication and SSL certificate setup"

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This listing was added from public sources (Found in the official MCP Registry (io.github.j-doi/domain-bannin)). If you build Domain Bannin, claim it to correct the details and get your badge.

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<a href="https://musedirectory.ai/connector/domain-bannin"><img src="https://musedirectory.ai/badge/domain-bannin.svg" alt="Domain Bannin on musedirectory.ai" width="236" height="40"></a>

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