{"uid":"cap_aYNasqhcuea-Y4CDCtzqi","slug":"preflight-agentdiet-dev-domain-osint-tls-certificate-security-headers-d8eb147f","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://preflight.agentdiet.dev/v1/dns-recon)","url":"https://preflight.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_m2f5N2phQkS3d9JcrQHBL","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"preflight.agentdiet.dev","brandSlug":"preflight-agentdiet-dev-mpp","brandBaseUrl":"https://preflight.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Performs live DNS resolution (IPv4/IPv6), TLS certificate inspection, and HTTP security header grading for any target domain.","exampleAgentPrompt":"Can you run a full DNS and TLS recon on openai.com — I want to see what IPs it resolves to, who issued the SSL certificate and when it expires, and how it scores on HTTP security headers?","exampleUseCases":[{"title":"Pre-launch security posture check","prompt":"Before we go live, can you audit the DNS resolution, TLS certificate issuer and expiry, and HTTP security header grade for our domain myapp.io?"},{"title":"Competitor infrastructure OSINT","prompt":"I want to do some OSINT on stripe.com — can you pull their IPv4/IPv6 DNS records, TLS cert details, and see how their security headers are graded?"},{"title":"Certificate expiry monitoring for SRE","prompt":"Can you check when the TLS certificate for api.acmecorp.com expires and who issued it, so I know if we need to renew soon?"}],"resultDescription":"Returns live DNS resolution results (IPv4 and IPv6 addresses), TLS certificate metadata (issuer, expiry date, chain details), and an HTTP security header grade reflecting the presence or absence of headers like HSTS, CSP, X-Frame-Options, and others.","failureModes":["Domain does not exist or fails DNS resolution — returns empty or error result","Domain resolves but TLS handshake fails (expired cert, self-signed, wrong hostname) — certificate data may be partial or flagged","Domain parameter missing or empty — request rejected with validation error","Network timeout reaching the target domain — may return partial results or timeout error","IPv6-only domains on IPv4-only infrastructure — IPv6 result may be unavailable"],"whenToPreferThis":"Choose this endpoint when you need a quick, live, all-in-one domain security snapshot covering DNS, TLS, and HTTP headers without standing up your own tooling. Ideal for OSINT workflows, pre-deployment security checks, certificate expiry monitoring, and competitive infrastructure reconnaissance. Prefer it over generic DNS lookup tools when you also need TLS and security header data in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:20.754Z","isFirstParty":false,"canonicalSlug":"preflight-agentdiet-dev-domain-osint-tls-certificate-security-headers-fa82a7d0"}