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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 whale-momentum.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.
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://whale-momentum.agentdiet.dev/v1/dns-whois-tls-recon)
Output
Returns live DNS resolution results including IPv4 and IPv6 addresses, TLS certificate metadata (issuer, expiry date, validity status), and an HTTP security headers grade reflecting the presence or absence of headers like HSTS, CSP, X-Frame-Options, and similar security controls.
Example use cases
Pre-acquisition domain security audit
“Before we finalize acquiring this company, can you check their main domain acmecorp.com for DNS records, TLS certificate issuer and expiry date, and give me the HTTP security header grade?”
Monitor competitor infrastructure posture
“I want to understand openai.com's security posture — can you pull the live DNS resolution, TLS cert details, and HTTP security headers so I can see how they compare to us?”
Detect expiring SSL certificate
“Can you check whether the TLS certificate for api.stripe.com is about to expire, who issued it, and whether their security headers are properly configured?”
Technical details
Endpoint
GEThttps://whale-momentum.agentdiet.dev/v1/dns-whois-tls-recon?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a combined, single-call OSINT snapshot of a domain's DNS infrastructure, TLS certificate health, and HTTP security posture. It is ideal for pre-acquisition due diligence, vendor security assessments, certificate expiry monitoring, or competitive infrastructure reconnaissance, especially when you want all three data layers (DNS + TLS + headers) in one result rather than calling separate specialized tools.
Side effects
- Domain does not exist or fails DNS resolution — returns error or empty DNS records
- Domain has no TLS certificate (plain HTTP only) — TLS fields absent or null
- Domain is unreachable/timed out — network timeout error
- Invalid domain format provided — validation error on input
- Security headers entirely absent — grade reflects missing headers rather than an error
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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