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Domain OSINT, TLS Certificate & Security Headers Recon
Domain OSINT, TLS Certificate & Security Headers Recon is a paid API for AI agents from token-intel.agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-21).
Performs live reconnaissance on a domain, returning IPv4/IPv6 DNS records, TLS certificate issuer and expiry details, and HTTP security header grade.
Price / call$0.01
Success—
StatusUnknown
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://token-intel.agentdiet.dev/v1/dns-recon)
Output
Returns live DNS resolution results (IPv4 and IPv6 addresses), TLS certificate details (issuer CA, validity dates, expiry), and an HTTP security headers assessment including a security grade for the queried domain.
Example use cases
Pre-vendor security due diligence
“Before we integrate with this vendor's API at stripe.com, can you check their DNS resolution, TLS certificate issuer and expiry date, and give me their HTTP security header grade?”
Detecting expired TLS certs in production
“Our monitoring flagged a possible cert issue — can you inspect the TLS certificate for api.example.com and tell me who issued it and whether it's expired or expiring soon?”
Competitor infrastructure OSINT
“I want to understand the infrastructure of openai.com — what IPs it resolves to on both IPv4 and IPv6, what CA issued their TLS cert, and how their security headers stack up?”
Technical details
Endpoint
GEThttps://token-intel.agentdiet.dev/v1/dns-recon?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a fast, all-in-one passive recon snapshot of a domain's DNS, TLS, and HTTP security posture without setting up your own toolchain. Ideal for security due diligence, vendor assessments, certificate expiry monitoring, and OSINT investigations where you need structured output about live infrastructure state in a single API call.
Side effects
- Domain does not exist or fails DNS resolution — empty or error response
- Domain has no TLS certificate — TLS fields may be null or absent
- Target host is unreachable or times out — timeout error returned
- Invalid or malformed domain input — validation error
- Domain resolves but returns no HTTP headers — security grade unavailable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domainrequired | string | Target domain name (e.g. anthropic.com, openai.com) for DNS, TLS certificate, and security header OSINT |
Output
Schema · Response
{
"type": "object"
}Reviews
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