{"uid":"cap_laW-ysPaMF8q1uUFTbZK3","slug":"mcp-security-agentdiet-dev-domain-osint-tls-certificate-security-ae8fb7f6","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/subdomain-scan)","url":"https://mcp-security.agentdiet.dev/v1/subdomain-scan?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_xIEkU3ihut6FIkc_z1N1e","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, and HTTP security header grading for a target domain.","exampleAgentPrompt":"Can you do a full OSINT recon on anthropic.com — check its live DNS resolution for both IPv4 and IPv6, inspect the TLS certificate issuer and expiry date, and give me an HTTP security headers grade?","exampleUseCases":[{"title":"Security audit before vendor onboarding","prompt":"Before we start working with this vendor, can you run a domain recon on stripe.com and tell me if their TLS certificate is valid, who issued it, when it expires, and what their HTTP security grade looks like?"},{"title":"Detect expired or misconfigured TLS on a client site","prompt":"I'm worried one of my client's sites might have a certificate issue — can you check tls.example-client.com for its TLS expiry date, issuer, and whether the DNS is resolving correctly?"},{"title":"Competitive OSINT on a rival domain","prompt":"Can you pull OSINT on openai.com — I want to see the IPv4 and IPv6 DNS records, who issued their TLS cert, when it expires, and how their HTTP security headers score?"}],"resultDescription":"Returns live DNS resolution data (IPv4/IPv6 addresses), TLS certificate details (issuer, expiry date, validity status), and an HTTP security headers grade for the target domain, enabling security assessment and OSINT profiling.","failureModes":["Domain does not exist or fails DNS resolution — returns empty or error response","Target domain blocks inspection requests — partial or no TLS/header data returned","Invalid domain format supplied — validation error returned","Network timeout reaching the target domain — timeout or partial results","Domain resolves but has no HTTPS — TLS fields may be null or absent"],"whenToPreferThis":"Choose this endpoint when you need a quick, combined DNS + TLS + HTTP security posture check for a single domain without standing up your own scanning infrastructure. It is ideal for OSINT investigations, vendor due diligence, pre-engagement recon, or automated security monitoring pipelines that need structured results via a simple GET call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:25.924Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-domain-osint-tls-certificate-security-0096b7db"}