# Domain OSINT, TLS Certificate & Security Headers Recon

> Domain OSINT, TLS Certificate & Security Headers Recon is a paid API for AI agents from company-enrich.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 (issuer, expiry), and HTTP security header grading for any domain.

## Facts

- Endpoint: GET https://company-enrich.agentdiet.dev/v1/ssl-audit?utm_source=zero.xyz
- Price: $0.01/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: company-enrich.agentdiet.dev
- Website: https://company-enrich.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/company-enrich-agentdiet-dev-domain-osint-tls-certificate-security-a9e6662d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_0AiEK6KH5-OheRexgCR7I

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 company-enrich-agentdiet-dev-domain-osint-tls-certificate-security-a9e6662d
```

Example prompt: Can you run a full DNS, TLS certificate, and HTTP security header audit on stripe.com — I want to see who issued the cert, when it expires, and what security grade the headers get?

## When to prefer this

Choose this endpoint when you need a quick, combined OSINT snapshot of a domain's DNS configuration, TLS certificate health, and HTTP security posture in a single call. Ideal for security due diligence, pre-launch compliance checks, or threat intelligence workflows where DNS + TLS + headers are all needed together rather than querying separate specialized tools.

## Known failure modes

- Domain does not exist or fails DNS resolution — returns error or empty DNS records
- TLS certificate is absent or expired — returns certificate error or null cert fields
- Domain blocks probing — may return incomplete or timed-out security header results
- Invalid domain format provided — returns validation error

## 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://company-enrich.agentdiet.dev/v1/ssl-audit)

## Output

Returns live DNS resolution results (IPv4 and IPv6 addresses), TLS certificate metadata (issuer, expiry date, validity status), and an HTTP security header grade/assessment for the queried domain.

## 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/company-enrich-agentdiet-dev-domain-osint-tls-certificate-security-a9e6662d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from company-enrich.agentdiet.dev](https://www.zero.xyz/host/company-enrich.agentdiet.dev/llms.txt)