DomainRef - domain and email security check

dev.domainref/domainref · v1.0.0

Pay-per-call domain and email security check: SPF, DKIM, DMARC, TLS, DNSSEC, BIMI, with exact fixes.

Website Set it up

Connect Remote server

Terminal

claude mcp add --transport http domainref https://domainref.dev/mcp --header "X-API-Key: <X_API_KEY>"

~/.cursor/mcp.json

{
  "mcpServers": {
    "domainref": {
      "url": "https://domainref.dev/mcp",
      "headers": {
        "X-API-Key": "<X_API_KEY>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "domainref": {
      "type": "http",
      "url": "https://domainref.dev/mcp",
      "headers": {
        "X-API-Key": "<X_API_KEY>"
      }
    }
  }
}

Claude Desktop

Settings > Connectors > Add custom connector
URL: https://domainref.dev/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 2 found in our last check

domain_check
PAID ($0.01). Use when mail lands in spam, before an email campaign, for vendor due diligence or to confirm a Microsoft 365 tenant: graded SPF, DKIM, DMARC, MX, MTA-STS, DNSSEC, CAA, TLS and domain age, plus BIMI and blocklist info, each with the exact fix record. Non-intrusive.…
domain_age
PAID ($0.005). Not for registries without RDAP, e.g. .za/.co.za, .me, .de, .io, .eu: refused free (422). Use when you need to know which registrar holds a domain, how old it is, and whether it is a risky newly-registered domain. $0.005. From the registry's RDAP: registrar name a…

Headers

Name	Description
`X-API-Key` Optional, secret	Optional DomainRef API key (card checkout at https://domainref.dev/pricing). Without it, each tool call returns the x402 payment requirement for the HTTP endpoint.

Details

Endpoint	`https://domainref.dev/mcp` (Streamable HTTP)
First published	20 Oct 2026
Last updated	20 Oct 2026
Registry name	`dev.domainref/domainref`

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Live status

Live

Typical response: 939 ms
Answered: 100% of 2 checks
Last check: 13 Nov 2026

30 days agoToday

We connect daily without credentials and run initialize and tools/list.

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