{"uid":"cap_PcjW09FzMM7G--x4NGx-I","slug":"prompt-guard-agentdiet-dev-domain-osint-tls-certificate-security-02956ac7","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/osint)","url":"https://prompt-guard.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_MqZnxI1OGKYHCn4DKljQ3","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 an OSINT check on anthropic.com — I want to see its DNS resolution (IPv4 and IPv6), TLS certificate issuer and expiry date, and how its HTTP security headers are graded?","exampleUseCases":[{"title":"Pre-deployment security check for new domain","prompt":"Before we go live with our new product site at acme-launch.io, can you check its DNS resolution, TLS cert details, and security header grade so we know if anything needs fixing?"},{"title":"Vendor security due diligence","prompt":"I need to vet a vendor before signing a contract — can you pull the DNS records, SSL certificate info, and security header posture for stripe.com?"},{"title":"Monitoring competitor infrastructure changes","prompt":"Can you check the current TLS certificate issuer, expiry date, and DNS IPs for openai.com? I want to see if anything about their infrastructure has changed recently."}],"resultDescription":"Returns a structured object containing live DNS resolution results (IPv4 and IPv6 addresses), TLS certificate details (issuer, expiry date, validity status), and an HTTP security header grade/breakdown — indicating which security headers are present or missing on the target domain.","failureModes":["Domain does not exist or fails DNS resolution — returns error or empty DNS fields","Domain unreachable at time of query — TLS and header checks may fail","Invalid domain input format — returns validation error","TLS handshake failure — certificate details may be unavailable","Domain has no HTTPS — TLS certificate fields will be absent or null"],"whenToPreferThis":"Choose this endpoint when you need a quick, live, all-in-one domain security snapshot combining DNS resolution, TLS certificate inspection, and HTTP security header grading in a single call — especially useful for OSINT reconnaissance, vendor due diligence, pre-deployment checks, or lightweight security audits, without standing up your own scanning infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:23.927Z","isFirstParty":false,"canonicalSlug":"prompt-guard-agentdiet-dev-domain-osint-tls-certificate-security-02956ac7"}