{"uid":"cap_ZOegIwiOkqS2loGkAduai","slug":"mcp-security-agentdiet-dev-domain-osint-tls-certificate-security-5107ba6e","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://mcp-security.agentdiet.dev/v1/cert-transparency)","url":"https://mcp-security.agentdiet.dev/v1/cert-transparency?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_Lb19Spnj0VRbo2UYcZEjb","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mcp-security.agentdiet.dev","brandSlug":"mcp-security-agentdiet-dev-mpp","brandBaseUrl":"https://mcp-security.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 check on stripe.com — I want to see its DNS records, who issued its TLS certificate and when it expires, and how its HTTP security headers score?","exampleUseCases":[{"title":"Pre-launch security posture check","prompt":"Before we go live, can you audit the TLS certificate and HTTP security headers for our domain mybusiness.com? I want to know the cert issuer, expiry date, and whether we're missing any critical security headers."},{"title":"Vendor due diligence on third-party domain","prompt":"We're integrating with a payment processor at payments-vendor.io — can you pull their DNS records, check their TLS cert validity and issuer, and give me an HTTP security grade so I can assess their security posture?"},{"title":"Incident response domain recon","prompt":"I'm investigating a suspicious domain phishing-suspect.net — can you resolve its IPv4 and IPv6 addresses, check who issued its TLS certificate and when, and tell me what security headers it has?"}],"resultDescription":"Returns live DNS resolution results (IPv4/IPv6 addresses), TLS certificate details (issuer organization, expiry date, validity status), and an HTTP security header analysis including presence or absence of headers like HSTS, CSP, X-Frame-Options, and an overall security grade for the target domain.","failureModes":["Domain does not exist or has no DNS records — returns resolution failure or empty DNS data","Domain is unreachable or times out — returns connectivity error","TLS certificate is absent (HTTP-only domain) — cert fields may be null or empty","Invalid domain format provided — returns validation error","Rate limiting or payment failure — returns 402 or rate limit error"],"whenToPreferThis":"Choose this endpoint when you need a combined DNS + TLS certificate + HTTP security header snapshot for a domain in a single call, particularly for OSINT reconnaissance, vendor due diligence, security audits, or phishing investigation workflows. It is preferable over generic DNS-only or SSL-checker-only tools when you want all three layers of domain security intelligence at once.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:48:35.322Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-domain-osint-tls-certificate-security-0096b7db"}