# Domain OSINT, TLS Certificate & Security Headers Recon

> Domain OSINT, TLS Certificate & Security Headers Recon is a paid API for AI agents from cve-intel.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 a given domain.

## Facts

- Endpoint: GET https://cve-intel.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: cve-intel.agentdiet.dev
- Website: https://cve-intel.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/cve-intel-agentdiet-dev-domain-osint-tls-certificate-security-headers-6f32fe82
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_pp5p3gvCbYqPsbIHkrhUU

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 cve-intel-agentdiet-dev-domain-osint-tls-certificate-security-headers-6f32fe82
```

Example prompt: Can you run a full DNS, TLS certificate, and HTTP security header audit on anthropic.com — I want to see the certificate issuer, expiry date, IPv4/IPv6 addresses, and overall security grade?

## When to prefer this

Use this endpoint when you need a quick, combined OSINT snapshot of a domain's DNS infrastructure, TLS certificate health, and HTTP security posture in a single call. It is ideal for security audits, pre-engagement reconnaissance, due diligence workflows, or monitoring certificate expiry — especially when you want all three data layers (DNS, TLS, security headers) without calling separate services.

## Known failure modes

- Domain does not exist or is unresolvable — DNS lookup fails with no IP records returned
- Domain has no TLS certificate or HTTPS endpoint — TLS inspection returns empty or error
- Domain blocks probes or rate-limits — may return incomplete data
- Invalid or malformed domain input — validation error returned
- Network timeout reaching the target domain — partial or null results

## 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://cve-intel.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/cve-intel-agentdiet-dev-domain-osint-tls-certificate-security-headers-6f32fe82/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from cve-intel.agentdiet.dev](https://www.zero.xyz/host/cve-intel.agentdiet.dev/llms.txt)