{"uid":"cap_2G_nvFyjYhVSrm2oLqFyJ","slug":"prompt-guard-agentdiet-dev-domain-osint-tls-certificate-security-7461fc75","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/subdomain-scan)","url":"https://prompt-guard.agentdiet.dev/v1/subdomain-scan?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_oAlL73cavOcIrKWOiejc1","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 domain OSINT scan on stripe.com — I want to see the live DNS resolution (IPv4 and IPv6), who issued the TLS certificate and when it expires, and the HTTP security header grade?","exampleUseCases":[{"title":"Pre-deployment security audit","prompt":"Before we launch, can you scan acmecorp.com and tell me its TLS certificate issuer and expiry date, what IPs it resolves to, and whether the HTTP security headers get a passing grade?"},{"title":"Vendor due diligence check","prompt":"I need to vet a new SaaS vendor — can you pull the DNS records, TLS cert details, and security header score for thirdpartyvendor.io so I can assess their security posture?"},{"title":"Incident response domain triage","prompt":"We got an alert about suspicious traffic to malware-example.net — can you immediately check its live IPv4/IPv6 DNS resolution, TLS certificate issuer and expiry, and HTTP security headers so we can triage it?"}],"resultDescription":"Returns live DNS resolution results (IPv4 and IPv6 addresses), TLS certificate metadata (issuer, expiry date, validity status), and an HTTP security header audit including presence/absence of headers like HSTS, CSP, X-Frame-Options, and an overall security grade.","failureModes":["Domain does not exist or fails DNS resolution — empty or error response for DNS fields","Domain has no TLS certificate (HTTP-only) — TLS fields will be null or absent","Domain is unreachable or times out — partial or error response","Invalid domain format provided — validation error returned","Rate limiting or payment failure ($0.01 per call via x402) — 402 Payment Required response"],"whenToPreferThis":"Choose this endpoint when you need a combined, single-call view of a domain's DNS resolution, TLS certificate health, and HTTP security posture — particularly useful for security audits, vendor assessments, incident triage, or automated compliance checks where you want live data rather than cached or passive records.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:30:02.577Z","isFirstParty":false,"canonicalSlug":"prompt-guard-agentdiet-dev-domain-osint-tls-certificate-security-02956ac7"}