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Domain Deliverability Checker MCP Server

@mammalabsdev

リポジトリ

基本情報

カテゴリ

その他

トランスポート

stdio

作者

mammalabsdev

投稿者

Aaron Clark

Domain Deliverability Checker MCP Server について

Checks email domain deliverability via DNS: SPF, DKIM, DMARC, MX

#email#deliverability#dns#spf#dkim#dmarc#mx#blacklist#clay#gtm#outbound

Domain Deliverability Checker MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "domain-deliverability-checker": {
      "command": "npx",
      "args": [
        "@mambalabsdev/mcp-domain-deliverability-checker"
      ]
    }
  }
}

Domain Deliverability Checker MCP Server のツール

1

Audit a domain's email deliverability and DNS health. Returns SPF, DKIM, and DMARC authentication with policy, MX records and mail provider, DNS blacklist status, catch-all detection, domain age, and a 0 to 100 health score as a flat, Clay-ready JSON row. Read-only; requires an APIFY_TOKEN and consumes Apify credits per call.

概要

What is Domain Deliverability Checker?

A server that performs DNS-based deliverability checks on any sending domain before contacting, enriching, or qualifying it. It validates SPF, DKIM, and DMARC records, checks MX record presence, queries 10 major DNS blacklists, and estimates domain age via RDAP/SOA, producing a weighted 0–100 composite score. It is built for Clay enrichment tables, GTM workflows, and outbound pre-qualification, with a free‑tier cap of 50 checks per month.

How to use Domain Deliverability Checker?

Install via npx: npx @mambalabsdev/mcp-domain-deliverability-checker. Invoke the tool check_domain_deliverability with a domain argument. No further configuration steps are described in the README.

Key features of Domain Deliverability Checker

  • SPF, DKIM, and DMARC record validation
  • MX record presence check
  • DNSBL blacklist lookup across 10 major lists
  • Domain age estimation via RDAP/SOA
  • Weighted 0–100 composite deliverability score

Use cases of Domain Deliverability Checker

  • Pre‑qualify outbound leads by verifying sender reputation
  • Enrich contact tables in Clay before email campaigns
  • Automate deliverability checks within GTM workflows
  • Assess domain trustworthiness before cold outreach

よくある質問

1

How many checks are included in the free tier?

Up to 50 checks per month at no cost.

2

What records does the server validate?

It validates SPF, DKIM, DMARC, MX, and checks 10 DNS blacklists plus domain age via RDAP/SOA.

3

What runtime or dependencies are required?

No explicit requirements beyond Node.js (implied by `npx` usage); the README does not list additional dependencies.

4

Is there any authentication needed?

The README does not mention any authentication mechanism for using the server.

5

Are there known limits beyond the 50‑check cap?

Only the 50‑check/month free‑tier cap is stated; no other limits are documented.

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