DomainRef - domain and email security check
by domainref.dev · dev.domainref/domainref
Pay-per-call domain and email security check: SPF, DKIM, DMARC, TLS, DNSSEC, BIMI, with exact fixes.
- Category
- Messaging and email
- Connection
- Remote (HTTP)
- Tools
- 2 reported
- Status
- Online
Connect it to your AI
Claude Code
claude mcp add --transport http domainref https://domainref.dev/mcpClaude, ChatGPT, Cursor and other apps
Add it as a custom connector with this URL (Streamable HTTP):
https://domainref.dev/mcpThis server expects extra headers, usually an API key from its maker.
Cursor, VS Code and other apps (mcp.json)
{
"mcpServers": {
"domainref": {
"url": "https://domainref.dev/mcp"
}
}
}Tools it offers
2 tools, as the server itself reported during our check on Oct 31, 2026.
domain_checkPAID ($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 blodomain_agePAID ($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
Questions
What is the DomainRef - domain and email security check MCP server?
Pay-per-call domain and email security check: SPF, DKIM, DMARC, TLS, DNSSEC, BIMI, with exact fixes. It is made by domainref.dev and listed in the official MCP Registry as dev.domainref/domainref. MCP (Model Context Protocol) is the open standard that lets AI apps like Claude, ChatGPT and Cursor use outside tools.
How do I add DomainRef - domain and email security check to Claude?
In the Claude app or claude.ai, open Settings, then Connectors, choose "Add custom connector" and paste https://domainref.dev/mcp. In Claude Code, run: claude mcp add --transport http domainref https://domainref.dev/mcp
How do I add DomainRef - domain and email security check to ChatGPT?
ChatGPT can use remote MCP servers as connectors. In ChatGPT settings, under Apps and Connectors, turn on developer mode if asked, create a new connector and paste https://domainref.dev/mcp.
How do I add DomainRef - domain and email security check to Cursor?
Open Cursor settings, go to MCP, choose "Add new MCP server" (or edit ~/.cursor/mcp.json) and add: { "mcpServers": { "domainref": { "url": "https://domainref.dev/mcp" } } }
Does DomainRef - domain and email security check work right now?
Yes. It responded when we last checked on 31 Oct 2026. We check remote MCP servers every day.
What can DomainRef - domain and email security check do?
It gives your AI 2 tools, including domain_check, domain_age. The full list is on this page.
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Markdown (GitHub README)
[](https://chen.media/mcp/dev-domainref-domainref)HTML (switches to dark mode on its own)
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