{"uid":"cap_oB3SkrkCer702wYj0nS_G","slug":"agentdiet-dev-domain-osint-tls-certificate-security-headers-recon-84565a67","name":"Domain OSINT, TLS Certificate & Security Headers Recon","description":"Inspects live IPv4/IPv6 DNS resolution, TLS certificate issuer/expiry, and HTTP security grade. (Live x402 v2, IETF MPP & MCP endpoint at https://agentdiet.dev/v1/osint)","url":"https://agentdiet.dev/v1/osint?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"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"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.01","displayCostAsset":"USD","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wvsppEkvVvlLwcXDuHHqd","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"agentdiet.dev","brandSlug":"agentdiet-dev-mpp","brandBaseUrl":"https://agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Performs live DNS resolution (IPv4/IPv6), TLS certificate inspection (issuer, expiry), and HTTP security headers grading for a given domain.","exampleAgentPrompt":"Can you run a full domain OSINT check on stripe.com — I want to see the DNS resolution (both IPv4 and IPv6), TLS certificate issuer and expiry date, and the HTTP security headers grade?","exampleUseCases":[{"title":"Pre-launch security posture check","prompt":"Before we go live, can you audit the TLS certificate and HTTP security headers for our domain myapp.io? I want to know who issued the cert, when it expires, and whether our security headers are configured properly."},{"title":"Vendor due diligence recon","prompt":"I need a quick OSINT check on acmecorp.com — pull the DNS resolution, TLS certificate details, and security headers grade so I can assess their infrastructure security before we sign the contract."},{"title":"Monitoring competitor infrastructure","prompt":"Can you check the TLS certificate issuer, expiry, and security headers grade for competitor.com? I want to see how their domain security stacks up."}],"resultDescription":"Returns live DNS resolution results (IPv4 and IPv6 addresses), TLS certificate metadata (issuer, expiry date), and an HTTP security headers grade reflecting the presence or absence of headers like HSTS, CSP, X-Frame-Options, etc.","failureModes":["Domain does not exist or cannot be resolved — DNS lookup fails with an error","Domain has no TLS certificate (HTTP-only) — TLS fields may be null or missing","Network timeout during live probing — endpoint may return an error or partial data","Invalid domain input (empty string or malformed) — returns validation error","Domain is reachable but blocks external probes — partial results returned"],"whenToPreferThis":"Use this endpoint when you need live, real-time DNS, TLS, and HTTP security header intelligence for a single domain — ideal for security audits, vendor due diligence, pre-launch checks, or quick OSINT recon. Prefer this over static WHOIS-only tools when you need actual TLS cert issuer/expiry and security headers grading from a live HTTP probe.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:07.229Z","isFirstParty":false,"canonicalSlug":"agentdiet-dev-domain-osint-tls-certificate-security-headers-recon-84565a67"}