Return an email-security report for the domain of an email address: MX, SPF, DKIM (common selectors), DMARC, MTA-STS, TLS-RPT and BIMI checks with a 0-100 score and recommendations. Records are resolved through Cloudflare DNS-over-HTTPS.
This page documents the HTTP endpoint POST /api/tools/email-security-checker/execute. See the MCP reference →
This tool fetches a fixed, hard-coded public upstream — never a private host. Results depend on that upstream.
Call it over REST
POST https://api.findutils.com/api/tools/email-security-checker/execute · no API keys · 60 requests/min per IP
Execute — verified arguments
curl -X POST https://api.findutils.com/api/tools/email-security-checker/execute \
-H "Content-Type: application/json" \
-d '{
"email": "[email protected]"
}' Parameter schema for this endpoint
curl https://api.findutils.com/api/tools/email-security-checker Input schema
| Argument | Type | Required | Description |
|---|---|---|---|
| string | yes | Email address (e.g. "[email protected]") or a bare domain ("example.com"). |
Example arguments (verified)
{
"email": "[email protected]"
} Also an MCP tool
Claude, Cursor, and any MCP client can call this tool as
findutils:email_security_checker after one connect command.
Connect once
claude mcp add findutils --transport http https://mcp.findutils.com/ More Network tools
Cidr Calculate
Compute network / broadcast / first-last host / subnet mask / hosts count for a CIDR (e.g.
Cookie Analyzer
Analyze Set-Cookie header strings and return a per-cookie list of security issues, an overall 0-100 score, and recommendations.
Curl To Code
Returns source code that performs the same HTTP request as a cURL command, in JavaScript (fetch), Python (requests), PHP (cURL), Go (net/htt
Dns Lookup
Return the DNS records of a domain for one record type (A, AAAA, CNAME, MX, TXT, NS or SOA).
Dns Security Scanner
Return a DNS security report for a domain: SPF, DMARC, MX and CAA records with issues, a 0-100 score, a letter grade and recommendations.
Har To Curl
Convert a HAR (HTTP Archive) file into curl commands, one per recorded request, and return them as a script plus a per-request list.
Har Viewer
Parse HAR 1.x JSON and return each entry’s method, URL, status, size, time, and MIME type.
Http Status Code Lookup
Return the meaning, typical use case and fix for HTTP status codes.