{"uid":"cap__nM6JcVqAq4_AjHsd92yk","slug":"agentdiet-dev-domain-osint-tls-certificate-security-headers-recon-6afe36c8","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/cert-transparency)","url":"https://agentdiet.dev/v1/cert-transparency?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_faV7QeRcG74McpAJbepfm","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, TLS certificate inspection, and HTTP security header analysis for any domain","exampleAgentPrompt":"Can you check the TLS certificate issuer and expiry, DNS resolution, and HTTP security headers for anthropic.com?","exampleUseCases":[{"title":"Pre-vendor security due diligence","prompt":"Before we sign a contract with this vendor, can you pull the TLS certificate details, DNS records, and security header grade for their domain vendorco.com so I can assess their security posture?"},{"title":"Monitor competitor SSL expiry","prompt":"Check when the SSL certificate for openai.com expires and who issued it — I want to know if they're due for a renewal soon."},{"title":"Debug missing security headers","prompt":"Can you inspect the HTTP security headers for myblog.io and tell me what grade it gets? I think we're missing HSTS and CSP headers."}],"resultDescription":"Returns live DNS resolution results (IPv4 and/or IPv6 addresses), TLS certificate metadata including issuer name and expiry date, and an HTTP security header grade summarizing the presence and quality of headers like HSTS, CSP, X-Frame-Options, and others for the queried domain.","failureModes":["Domain does not exist or fails DNS resolution — no IP addresses returned","Domain has no TLS certificate (HTTP-only) — certificate fields absent or error","Domain is unreachable or firewalled — timeout or connection error","Invalid domain format provided — validation error","Domain resolves but returns no HTTP response for header analysis"],"whenToPreferThis":"Choose this endpoint when you need a quick, live OSINT snapshot of a domain's DNS configuration, TLS certificate health, and HTTP security posture in a single call. It is ideal for security audits, vendor due diligence, competitive intelligence, or monitoring certificate expiry without needing to run separate DNS, SSL, and header tools.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:41.746Z","isFirstParty":false,"canonicalSlug":"agentdiet-dev-domain-osint-tls-certificate-security-headers-recon-84565a67"}