{"uid":"cap_EhgvVmo1M_9bB0aSsp9u5","slug":"prompt-guard-agentdiet-dev-domain-osint-tls-certificate-security-d1e60aca","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/whois-lookup)","url":"https://prompt-guard.agentdiet.dev/v1/whois-lookup?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_GUhJ74XYy8EMxovKXZ2g1","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, TLS certificate inspection, and HTTP security header grading for a given domain name.","exampleAgentPrompt":"Can you run a full OSINT recon on anthropic.com — I want to see its live DNS resolution, TLS certificate issuer and expiry date, and how its HTTP security headers grade out?","exampleUseCases":[{"title":"Pre-vendor security due diligence","prompt":"Before we integrate with acmecorp.com, can you pull their DNS records, check who issued their TLS cert and when it expires, and grade their HTTP security headers so I can include it in the vendor risk report?"},{"title":"Monitoring certificate expiry for own domain","prompt":"Check mycompany.io's TLS certificate right now — I want to know who issued it, when it expires, and whether our security headers like HSTS and CSP are actually showing up correctly."},{"title":"Competitive domain security benchmarking","prompt":"I want to compare the security posture of stripe.com — can you pull its DNS resolution, TLS cert details, and HTTP security header grade so I can benchmark it?"}],"resultDescription":"Returns live DNS resolution results including IPv4 and IPv6 addresses, TLS certificate metadata such as issuer and expiry date, and an HTTP security header audit with a grade or assessment of headers like HSTS, CSP, X-Frame-Options, and related security controls.","failureModes":["Domain does not exist or cannot be resolved — DNS lookup failure returned","Domain is unreachable over HTTPS — TLS certificate details unavailable","Malformed domain input — validation error on the domain parameter","Domain resolves but drops HTTP connections — security headers cannot be retrieved","Rate limiting or payment failure — HTTP 402 returned requiring USDC micropayment"],"whenToPreferThis":"Use this endpoint when you need a lightweight, pay-per-call passive recon snapshot of a domain covering DNS, TLS, and HTTP security headers in a single call — ideal for vendor due diligence, pre-integration security checks, certificate expiry monitoring, or OSINT pipelines. Prefer this over full port-scanning or active vulnerability scanners when you want non-intrusive, read-only reconnaissance without triggering IDS alerts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:17.024Z","isFirstParty":false,"canonicalSlug":"prompt-guard-agentdiet-dev-domain-osint-tls-certificate-security-02956ac7"}