{"uid":"cap_hAO6wcwgz-D1-gr-IMEQa","slug":"llms-generator-agentdiet-dev-domain-osint-tls-certificate-security-0b94aab5","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/whois-lookup)","url":"https://llms-generator.agentdiet.dev/v1/whois-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_frjPegwYGzCp98aTt4ufy","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 name.","exampleAgentPrompt":"Can you pull the DNS records, TLS certificate details, and HTTP security header grade for anthropic.com so I can see who issued their cert, when it expires, and whether their security headers are properly configured?","exampleUseCases":[{"title":"Pre-acquisition domain security audit","prompt":"Before we finalize this acquisition, can you check the TLS certificate issuer and expiry, DNS resolution, and HTTP security headers for targetcompany.com so I can flag any security gaps in my due diligence report?"},{"title":"Monitoring competitor SSL posture","prompt":"Look up the TLS certificate details and security header grade for competitor.io — I want to know who issued their cert, when it expires, and whether they have HSTS enabled."},{"title":"Incident response domain OSINT","prompt":"We've flagged suspicious-domain.net in our logs — can you do a full DNS and TLS certificate recon on it, including IPv4/IPv6 resolution and what the certificate issuer looks like?"}],"resultDescription":"Returns live DNS resolution results (IPv4 and IPv6 addresses), TLS certificate metadata (issuer, expiry date, validity status), and an HTTP security header grade indicating the presence or absence of headers such as HSTS, CSP, X-Frame-Options, and similar security controls.","failureModes":["Domain does not exist or fails to resolve — may return empty DNS records or an error","TLS certificate not present on domain (HTTP-only) — TLS fields may be null or absent","Domain blocks security header inspection — partial results returned","Invalid or malformed domain input — API returns validation error","Transient network timeout when reaching the target domain — may return an error or incomplete data"],"whenToPreferThis":"Choose this endpoint when you need a fast, single-call OSINT snapshot of a domain's DNS posture, TLS certificate health, and HTTP security configuration. It is ideal for due diligence workflows, security audits, or incident response triage where you need certificate issuer/expiry and header grades without running your own infrastructure. Prefer this over generic WHOIS tools when you specifically need TLS and security header data combined with DNS resolution in one response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:20:07.347Z","isFirstParty":false,"canonicalSlug":"llms-generator-agentdiet-dev-domain-osint-tls-certificate-security-f8e7e725"}