{"uid":"cap_k7lsycnTLx4AFRg5DACJW","slug":"prompt-guard-agentdiet-dev-domain-osint-tls-certificate-security-e25f5210","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/dns-recon)","url":"https://prompt-guard.agentdiet.dev/v1/dns-recon?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_RxTYeHbfjd-lF84lm9Ssq","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 DNS and TLS recon on openai.com — I want to see its IPv4/IPv6 addresses, who issued its TLS certificate, when it expires, and what HTTP security headers it's serving?","exampleUseCases":[{"title":"Pre-deployment security check for new domain","prompt":"Before we go live, can you check the TLS certificate and HTTP security headers on our staging domain staging.mycompany.com — I need to know who issued the cert, when it expires, and whether we have HSTS and CSP in place?"},{"title":"Competitor domain OSINT reconnaissance","prompt":"I want to do some OSINT on our competitor's domain rivalcorp.io — can you pull their DNS records, TLS certificate issuer and expiry, and their HTTP security grade?"},{"title":"Monitoring expiring TLS certificates","prompt":"Can you check the TLS certificate on api.paymentservice.com and tell me when it expires and who issued it? I need to know if it's about to run out."}],"resultDescription":"Returns live DNS resolution results (IPv4 and IPv6 addresses), TLS certificate metadata (issuer name, expiry date), and an HTTP security header assessment/grade for the queried domain. The response is a JSON object containing these OSINT fields.","failureModes":["Domain does not exist or fails DNS resolution — returns empty or error fields","TLS certificate is absent (HTTP-only domain) — certificate fields may be null or absent","Domain is unreachable/timed out — may return partial or error response","Invalid domain format provided — API may return a validation error","Security headers endpoint returns non-200 — header grading may be incomplete"],"whenToPreferThis":"Choose this endpoint when you need a quick, combined OSINT snapshot of a domain's DNS resolution, TLS certificate health, and HTTP security posture in a single call, without deploying separate tools for DNS lookup, certificate checking, and header analysis. Especially useful for security audits, pre-deployment checks, competitive reconnaissance, or certificate expiry monitoring at $0.01 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:17.909Z","isFirstParty":false,"canonicalSlug":"prompt-guard-agentdiet-dev-domain-osint-tls-certificate-security-02956ac7"}