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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, TLS certificate inspection, and HTTP security header grading for a given domain name.
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/tls-scanner)
Output
Returns live DNS resolution results (IPv4 and/or IPv6 addresses), TLS certificate metadata (issuer, expiry date, validity status), and an HTTP security headers grade or breakdown — giving a snapshot of the domain's security posture at query time.
Example use cases
Pre-launch security audit for new site
“Before we go live, can you scan our domain acmecorp.io and tell me if our TLS certificate is valid, who issued it, when it expires, and whether our HTTP security headers are properly configured?”
Investigating a suspicious vendor domain
“I got an email from payments-partner-secure.net — can you do OSINT on that domain and tell me its DNS IPs, who issued its TLS certificate, and what its security header grade looks like?”
Monitoring competitor's certificate expiry
“Can you check openai.com's TLS certificate and tell me when it expires, who the issuer is, and whether it resolves to both IPv4 and IPv6?”
Technical details
Endpoint
GEThttps://whale-momentum.agentdiet.dev/v1/tls-scanner?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, live, all-in-one security recon for a domain — covering DNS, TLS certificate validity/expiry, and HTTP security headers in a single call — rather than querying separate DNS lookup tools, certificate transparency logs, or security header checkers individually.
Side effects
- Domain does not exist or fails DNS resolution — returns error or empty DNS records
- Domain is reachable but TLS is not configured — certificate fields may be null or missing
- Connection timeout if the target domain is slow or unreachable
- Invalid domain string input (e.g. missing TLD or malformed) — validation error
- Security headers missing or non-standard — grade may reflect absence of headers
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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