{"uid":"cap_OLbKELrFPi1euSWqWrwjz","slug":"llms-generator-agentdiet-dev-domain-osint-tls-certificate-security-f76cd823","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://llms-generator.agentdiet.dev/v1/asn-lookup)","url":"https://llms-generator.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_Gm5Sa0ImLb0Iy6-eKb6ay","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"llms-generator.agentdiet.dev","brandSlug":"llms-generator-agentdiet-dev-mpp","brandBaseUrl":"https://llms-generator.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 pull up the TLS certificate details, DNS resolution, and HTTP security header grade for anthropic.com — I want to see who issued the cert, when it expires, and how the security headers score?","exampleUseCases":[{"title":"Pre-vendor security due diligence","prompt":"Before we integrate with this new SaaS vendor, can you check their domain stripe.com for TLS certificate issuer and expiry, IPv4/IPv6 DNS records, and how their HTTP security headers grade out?"},{"title":"Competitive domain recon","prompt":"Run a full OSINT check on openai.com — I want to know their DNS resolution, who issued their TLS cert and when it expires, and what their HTTP security grade is."},{"title":"Monitor certificate expiry risk","prompt":"Check if the TLS certificate for mybusiness.io is close to expiring and who issued it — also grab their security header grade so I can flag any issues to the team."}],"resultDescription":"Returns live DNS resolution results (IPv4/IPv6 addresses), TLS certificate metadata (issuer, expiry date, validity), and an HTTP security header grade for the queried domain, enabling rapid OSINT and security posture assessment.","failureModes":["Domain does not exist or fails DNS resolution — likely returns an error or empty DNS fields","Domain has no HTTPS/TLS — TLS fields may be null or absent","Firewall or rate limiting blocks the live probe — may return timeout or connection error","Invalid domain string provided — validation error returned","Domain resolves but security headers are absent — security grade may be low/null"],"whenToPreferThis":"Choose this endpoint when you need a fast, single-call OSINT snapshot combining DNS, TLS certificate, and HTTP security header data for any domain — ideal for security due diligence, vendor assessments, competitive recon, or certificate expiry monitoring without needing to run separate dig, openssl, or header-check tools.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:47.425Z","isFirstParty":false,"canonicalSlug":"llms-generator-agentdiet-dev-domain-osint-tls-certificate-security-f8e7e725"}