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100
MCP live MCP 2025-11-25 streamable-http

scan.mx Email Diagnostics

mx.scan/diagnostics

Check email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists. Graded, no key.

Uptime
100.0%
1 direct probes · 30d
Response
621ms
last probe
Tools
6
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://api.scan.mx/mcp

Tools · 6

check_domain

Run the full email and DNS deliverability check for a domain: MX, SPF, DKIM, DMARC, DNS health, provider detection, and blacklists. Returns a letter grade (A+ to F, where specific weaknesses cap the g…

check_mx

Check the MX records of a domain: presence, hostnames, resolution, null-MX, and common misconfigurations.

check_spf

Check the domain SPF policy: presence, syntax, the all qualifier, and the 10-lookup limit.

check_dmarc

Check the domain DMARC policy at _dmarc: presence, policy strength (none/quarantine/reject), and reporting.

check_blacklist

Check whether the domain and its mail server IPs are listed on the Spamhaus (ZEN, DBL, ZRD, AuthBL), SpamCop, GBUdb and PSBL blocklists.

check_dkim

Check DKIM signing keys for a domain. Without a selector, common provider selectors are probed. Pass an explicit selector to look up that exact key at selector._domainkey.

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "scan.mx_email_diagnostics": {
      "url": "https://api.scan.mx/mcp",
      "transport": "streamable-http"
    }
  }
}