{"uid":"cap_ofeMhOx58cy8vUyzD6FS6","slug":"hn-pulse-agentdiet-dev-domain-osint-tls-certificate-security-headers-544d7429","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://hn-pulse.agentdiet.dev/v1/dns-recon)","url":"https://hn-pulse.agentdiet.dev/v1/dns-recon?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_RNhOy84UMC__7VTNvHSIQ","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"hn-pulse.agentdiet.dev","brandSlug":"hn-pulse-agentdiet-dev-mpp","brandBaseUrl":"https://hn-pulse.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 recon on anthropic.com — I want to see what IPs it resolves to, who issued the cert and when it expires, and what its security header grade looks like?","exampleUseCases":[{"title":"Pre-launch security audit","prompt":"Before we go live, can you check the DNS resolution, TLS certificate issuer and expiry, and HTTP security headers grade for our new domain mycompany.com? I want to make sure everything is properly configured."},{"title":"Competitor OSINT research","prompt":"I'm doing some competitive research — can you pull the DNS records, TLS cert details, and security header posture for stripe.com so I can see how their web infrastructure stacks up?"},{"title":"SSL expiry monitoring alert","prompt":"Can you check the TLS certificate expiry date for api.example.com? I'm worried it might be close to expiring and I want to know the issuer and how much time is left."}],"resultDescription":"Returns live DNS resolution results (IPv4 and IPv6 addresses), TLS certificate details (issuer, expiry date), and an HTTP security headers grade/analysis for the queried domain, giving a snapshot of the domain's public-facing security posture.","failureModes":["Domain does not exist or cannot be resolved — returns DNS lookup failure","Domain has no TLS certificate (HTTP-only) — TLS fields may be null or absent","Domain is unreachable / times out — may return partial results or timeout error","Invalid domain format provided — returns validation error","Domain resolves but security headers are absent — grade reflects missing headers"],"whenToPreferThis":"Choose this endpoint when you need a quick, all-in-one OSINT snapshot of a domain's DNS resolution, TLS certificate health, and HTTP security header posture without assembling multiple separate tools. It is ideal for pre-launch security checks, continuous monitoring triggers, competitive reconnaissance, or investigating an unfamiliar domain's trustworthiness.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:07.729Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-domain-osint-tls-certificate-security-headers-1eaae0e4"}