SecurityTrails

live SecurityDeveloper

Passive DNS, subdomain enumeration, and DNS/WHOIS history for any domain. BYO key.

4 tools
0ms auth
free tier 50 calls/day

Tools

securitytrails_domain

Domain intel (DNS, subdomain count) for <hostname>. Returns current A/MX/NS records, subdomain count, and Alexa rank. Example: securitytrails_domain({ hostname: "github.com", _apiKey: "your-key" })

No parameters required.

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securitytrails_subdomains

Enumerate subdomains of <hostname>. Returns the subdomain labels plus fully-qualified domains. Example: securitytrails_subdomains({ hostname: "github.com", _apiKey: "your-key" })

No parameters required.

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securitytrails_dns_history

Historical DNS records for <hostname>. Returns past record values with first/last-seen dates for a given record type (a, aaaa, mx, ns, soa, txt). Example: securitytrails_dns_history({ hostname: "githu

No parameters required.

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securitytrails_whois

WHOIS for <hostname>. Returns registrar, creation/expiration dates, and registration contacts. Example: securitytrails_whois({ hostname: "github.com", _apiKey: "your-key" })

No parameters required.

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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash 
curl -X POST https://gateway.pipeworx.io/securitytrails/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash 
curl -X POST https://gateway.pipeworx.io/securitytrails/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"securitytrails_domain","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript 
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("securitytrails_domain", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("passive dns, subdomain enumeration, and dns/whois history for any domain");