{"uid":"cap_OQsiWNF5VihmxGcy1SWLa","slug":"prompt-guard-agentdiet-dev-domain-osint-tls-certificate-security-8b971a49","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://prompt-guard.agentdiet.dev/v1/cert-transparency)","url":"https://prompt-guard.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_WSJkhZdCWcxf4G2Jndsgv","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"prompt-guard.agentdiet.dev","brandSlug":"prompt-guard-agentdiet-dev-mpp","brandBaseUrl":"https://prompt-guard.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Performs live DNS resolution (IPv4/IPv6), TLS certificate inspection (issuer/expiry), and HTTP security header grading for a given domain","exampleAgentPrompt":"Can you run a full security recon on anthropic.com — I want to see its DNS resolution, who issued its TLS certificate, when it expires, and how its HTTP security headers grade out?","exampleUseCases":[{"title":"Pre-launch domain security audit","prompt":"Before we go live, can you check openai.com's TLS certificate issuer and expiry, its IPv4 and IPv6 DNS resolution, and how its HTTP security headers score? I want to make sure we're benchmarking our setup correctly."},{"title":"Vendor due diligence OSINT check","prompt":"We're onboarding a new vendor at stripe.com — can you pull their live DNS records, TLS certificate details, and security header grade so I can include it in our third-party risk assessment?"},{"title":"Certificate expiry monitoring alert","prompt":"Can you check whether the TLS certificate for mycompany.com is close to expiring? Pull the issuer and expiry date from a live inspection so I know if we need to renew soon."}],"resultDescription":"Returns live DNS resolution results (IPv4 and IPv6 addresses), TLS certificate metadata (issuer, validity dates, expiry), and an HTTP security header grade/assessment for the queried domain.","failureModes":["Domain does not exist or fails DNS resolution — may return error or empty DNS fields","Domain has no TLS certificate — certificate fields will be absent or null","Domain is unreachable (firewall, rate-limit) — timeout or connection error","Invalid domain format — validation error on the domain parameter","Domain resolves but returns no security headers — security grade may be low or missing"],"whenToPreferThis":"Choose this endpoint when you need a combined, single-call OSINT snapshot of a domain's DNS, TLS, and HTTP security posture rather than querying separate tools. Ideal for security audits, vendor risk assessments, certificate expiry checks, and reconnaissance workflows where live data is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:16.102Z","isFirstParty":false,"canonicalSlug":"prompt-guard-agentdiet-dev-domain-osint-tls-certificate-security-02956ac7"}