# Domain OSINT, TLS Certificate & Security Headers Recon

> Domain OSINT, TLS Certificate & Security Headers Recon is a paid API for AI agents from alpha-stream.agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-21).

Performs live DNS resolution (IPv4/IPv6), TLS certificate inspection, and HTTP security header analysis for a given domain.

## Facts

- Endpoint: GET https://alpha-stream.agentdiet.dev/v1/dns-recon?utm_source=zero.xyz
- Price: $0.01/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: alpha-stream.agentdiet.dev
- Website: https://alpha-stream.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/alpha-stream-agentdiet-dev-domain-osint-tls-certificate-security-027eac83
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_tXelQcbgDMwL7Vre_o6Ow

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability alpha-stream-agentdiet-dev-domain-osint-tls-certificate-security-027eac83
```

Example prompt: Run a full DNS and TLS recon on anthropic.com — I want to see the IPv4 and IPv6 addresses, the TLS certificate issuer and expiry date, and how the HTTP security headers grade out.

## When to prefer this

Choose this endpoint when you need a combined, single-call lookup of DNS records, TLS certificate metadata, and HTTP security headers for a domain. It is ideal for security OSINT workflows, pre-launch audits, incident response triage, or monitoring competitor security posture, especially when you want all three signals (DNS, TLS, headers) in one call rather than querying separate tools.

## Known failure modes

- Domain does not exist or fails DNS resolution — may return empty or error response
- Domain is unreachable over HTTPS — TLS inspection will fail
- Firewall or geo-blocking prevents connection — partial results
- Invalid domain format supplied — validation error
- TLS certificate is self-signed or expired — may affect grading accuracy

## How this service works

Inspects live IPv4/IPv6 DNS resolution, TLS certificate issuer/expiry, and HTTP security grade. (Live x402 v2, IETF MPP & MCP endpoint at https://alpha-stream.agentdiet.dev/v1/dns-recon)

## Output

Returns live DNS resolution results including IPv4 and IPv6 addresses, TLS certificate details (issuer, expiry date, validity), and an HTTP security header grade or analysis indicating which security headers (e.g. HSTS, CSP, X-Frame-Options) are present or missing.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "domain"
 ],
 "properties": {
  "domain": {
   "type": "string",
   "minLength": 1,
   "description": "Target domain name (e.g. anthropic.com, openai.com) for DNS, TLS certificate, and security header OSINT"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/alpha-stream-agentdiet-dev-domain-osint-tls-certificate-security-027eac83/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from alpha-stream.agentdiet.dev](https://www.zero.xyz/host/alpha-stream.agentdiet.dev/llms.txt)