{"uid":"cap_xMftXjlvsz5bSQC_XOgq8","slug":"preflight-agentdiet-dev-domain-osint-tls-certificate-security-headers-fa82a7d0","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/domain-osint)","url":"https://preflight.agentdiet.dev/v1/domain-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_93U-w6v2ctVvvX3yNXiqV","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 (issuer, expiry), and HTTP security header grading for a given domain.","exampleAgentPrompt":"Can you run a security recon on stripe.com — check what IPs it resolves to, who issued its TLS certificate and when it expires, and how its HTTP security headers grade?","exampleUseCases":[{"title":"Pre-deployment domain security audit","prompt":"Before we launch, can you audit the TLS certificate and security headers for app.mycorp.io — I want to know the cert issuer, expiry date, and whether we're missing any important security headers?"},{"title":"Third-party vendor due diligence","prompt":"We're onboarding a new vendor at vendor-portal.acme.com — can you pull their DNS resolution, TLS cert details, and HTTP security grade so I can assess their infrastructure security posture?"},{"title":"Certificate expiry monitoring alert","prompt":"Check the TLS certificate expiry for api.payments-provider.com — I need to know how many days are left before it expires and who issued it so I can flag it if it's close to renewal time."}],"resultDescription":"Returns live DNS resolution results including IPv4 and IPv6 addresses, TLS certificate metadata (issuer, subject, expiry date, validity status), and an HTTP security header grade reflecting the presence or absence of headers like HSTS, CSP, X-Frame-Options, and related security directives.","failureModes":["Domain does not exist or cannot be resolved — DNS lookup failure returned","Domain is unreachable or times out — TLS handshake or HTTP request fails","Invalid or malformed domain input — parameter validation error","Domain resolves but serves no HTTPS — TLS certificate data unavailable","Rate limiting or payment failure via x402 — HTTP 402 returned"],"whenToPreferThis":"Choose this endpoint when you need a quick, combined OSINT snapshot of a domain's DNS posture, TLS certificate health, and HTTP security header configuration in a single call, rather than querying separate DNS, certificate transparency, or header-checker tools individually. Especially useful for security audits, vendor due diligence, pre-launch checks, or certificate expiry monitoring workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:01.530Z","isFirstParty":false,"canonicalSlug":"preflight-agentdiet-dev-domain-osint-tls-certificate-security-headers-fa82a7d0"}