{"uid":"cap_Sjv3nlSet1-_9HcgXsSEk","slug":"email-verify-agentdiet-dev-domain-osint-tls-certificate-security-b54c55ae","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://email-verify.agentdiet.dev/v1/asn-lookup)","url":"https://email-verify.agentdiet.dev/v1/asn-lookup?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_EqCB3NIyYSc0hxNfzppBh","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"email-verify.agentdiet.dev","brandSlug":"email-verify-agentdiet-dev-mpp","brandBaseUrl":"https://email-verify.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Performs live DNS resolution (IPv4/IPv6), TLS certificate inspection (issuer, expiry), and HTTP security header grading for any target domain.","exampleAgentPrompt":"Can you run a domain OSINT check on stripe.com — I want to see its DNS resolution, TLS certificate issuer and expiry date, and how it scores on HTTP security headers?","exampleUseCases":[{"title":"Pre-vendor security due diligence","prompt":"Before we sign a contract with this SaaS vendor, can you check their domain acme-crm.io for TLS certificate health, who issued it, when it expires, and whether they have proper security headers in place?"},{"title":"Monitoring competitor infrastructure","prompt":"Pull up the DNS and TLS certificate info for shopify.com — I want to see what IPs it resolves to, who issued their cert, and what their HTTP security grade looks like."},{"title":"Security audit of own domain","prompt":"Can you audit our domain mybrand.com and tell me if our TLS cert is still valid, who issued it, when it expires, and whether we're missing any important HTTP security headers like HSTS or X-Frame-Options?"}],"resultDescription":"Returns live DNS resolution results (IPv4 and/or IPv6 addresses), TLS certificate details (issuer, expiry date, validity status), and an HTTP security header grade or breakdown — giving a snapshot of the domain's current security posture and infrastructure.","failureModes":["Domain does not exist or fails DNS resolution — returns empty or error result","Domain has no HTTPS endpoint — TLS certificate data may be absent","Firewall or WAF blocking probe requests — headers may be incomplete","Malformed domain input (e.g. including protocol prefix) — may return validation error","Transient network issues during live inspection — may result in timeout"],"whenToPreferThis":"Choose this endpoint when you need a quick, live OSINT snapshot of a domain's DNS resolution, TLS certificate health, and HTTP security headers in a single call — especially useful for pre-vendor due diligence, competitive infrastructure research, or auditing your own domain's security posture. Prefer this over manual dig/curl commands or separate SSL checker tools when you need consolidated results programmatically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:45.329Z","isFirstParty":false,"canonicalSlug":"email-verify-agentdiet-dev-domain-osint-tls-certificate-security-e635d6db"}