{"uid":"cap_vwdwrcVJWeLUxnBS_RG2l","slug":"prompt-guard-agentdiet-dev-domain-osint-tls-certificate-security-6cc71043","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/asn-lookup)","url":"https://prompt-guard.agentdiet.dev/v1/asn-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_MpIG2jH-k9YvsIiLQsvcT","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, and HTTP security header analysis for a given domain","exampleAgentPrompt":"Can you run a security recon on anthropic.com — I want to see its DNS resolution (IPv4 and IPv6), who issued the TLS certificate and when it expires, and what HTTP security grade it gets?","exampleUseCases":[{"title":"Vendor security due diligence check","prompt":"Before we integrate with this third-party vendor, can you check their domain stripe.com for DNS resolution, TLS certificate details like issuer and expiry, and their HTTP security header grade?"},{"title":"Pre-launch SSL certificate audit","prompt":"We're about to launch our new site at mycompany.com — can you check that the TLS certificate is valid, who issued it, when it expires, and whether our HTTP security headers are configured properly?"},{"title":"Competitor infrastructure OSINT","prompt":"I want to do some recon on openai.com — pull the live IPv4 and IPv6 DNS records, the TLS certificate issuer and expiry date, and the HTTP security grade."}],"resultDescription":"Returns live DNS resolution results (IPv4/IPv6 addresses), TLS certificate metadata (issuer, expiry date, validity), and an HTTP security header grade/analysis for the queried domain","failureModes":["Domain does not exist or fails DNS resolution — may return empty or error result","Domain has no TLS certificate (HTTP only) — certificate fields may be null or absent","Network timeout reaching the target domain — may return partial results or timeout error","Invalid domain format passed — returns validation error","Domain resolves but security headers are absent — grade reflects missing headers"],"whenToPreferThis":"Use this endpoint when you need a combined, single-call OSINT snapshot of a domain covering DNS, TLS, and HTTP security posture — ideal for security audits, vendor due diligence, pre-launch checks, or competitive infrastructure research. Prefer this over separate DNS/WHOIS tools when you want certificate expiry and security header data in one round trip.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:37.804Z","isFirstParty":false,"canonicalSlug":"prompt-guard-agentdiet-dev-domain-osint-tls-certificate-security-02956ac7"}