{"uid":"cap_FsfK5sAw_MfSgmuJ82nbu","slug":"defi-yield-agentdiet-dev-domain-osint-tls-certificate-security-f297a966","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://defi-yield.agentdiet.dev/v1/asn-lookup)","url":"https://defi-yield.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_0eW-L2WH-F20G2gM0t2jn","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"defi-yield.agentdiet.dev","brandSlug":"defi-yield-agentdiet-dev-mpp","brandBaseUrl":"https://defi-yield.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 DNS, TLS certificate, and HTTP security headers check on anthropic.com — I want to see who issued the cert, when it expires, and what security grade the headers get?","exampleUseCases":[{"title":"Pre-vendor security due diligence","prompt":"Before we integrate with stripe.com, can you check their TLS certificate issuer and expiry, DNS resolution, and security header grade so I can include it in our vendor risk report?"},{"title":"Certificate expiry monitoring alert","prompt":"Check the TLS certificate details for api.mycompany.com — I need to know who issued it and when it expires so I can make sure we renew before it lapses."},{"title":"Security posture audit for competitor analysis","prompt":"Can you pull the HTTP security headers grade and DNS records for openai.com? I'm benchmarking how they handle security headers compared to our own domain."}],"resultDescription":"Returns live DNS resolution data (IPv4/IPv6 addresses), TLS certificate details (issuer, expiry date, validity status), and an HTTP security header grade/analysis for the queried domain.","failureModes":["Domain does not resolve — DNS lookup failure returned if the domain has no valid DNS records","TLS certificate unreachable — if the domain does not serve HTTPS, certificate data may be absent","Invalid domain input — error if the domain string is malformed or empty","Timeout — live network probes may time out for slow or unresponsive domains","Non-public domain — private or internal hostnames may return incomplete data"],"whenToPreferThis":"Use this endpoint when you need a fast, live snapshot of a domain's DNS resolution, TLS certificate metadata, and HTTP security posture in a single call. Prefer it over manual nslookup/curl workflows when an agent needs structured OSINT data about a domain for security due diligence, vendor risk assessment, certificate monitoring, or reconnaissance tasks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:53.083Z","isFirstParty":false,"canonicalSlug":"defi-yield-agentdiet-dev-domain-osint-tls-certificate-security-bafdde09"}