{"uid":"cap_nGM3paEiZFr_56uRyI_Bx","slug":"domain-intel-whois-dns-tls-subdomain-lookup-via-x402-76816d15","name":"Domain Intel — WHOIS, DNS, TLS & Subdomain Lookup via x402","description":"Domain in, WHOIS, DNS, mail policy, TLS certificate and subdomains out. Pay per call in USDC over x402. No signup, no API key.","url":"https://dns.halowerk.com/domain/articles/ns-all-inkl?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"domain":{"type":"string","maxLength":253},"baseline":{"type":"object","required":["domain","observed_at","records"],"properties":{"domain":{"type":"string","maxLength":253},"records":{"type":"array","items":{"type":"string","maxLength":254},"maxItems":50},"observed_at":{"type":"string","maxLength":40}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.009","displayCostAsset":"USDC","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":"$0.009/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_nI_RO2Bcl-NXPu2Gf5UqS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.009","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Given a domain name, returns WHOIS registration data, DNS records, mail policy (SPF/DKIM/DMARC), TLS certificate details, and subdomain enumeration — paid per call in USDC over x402 with no signup required.","exampleAgentPrompt":"Can you pull a full domain intelligence report for example.com — I need the WHOIS registration info, all DNS records, mail policy (SPF, DKIM, DMARC), TLS certificate details, and any subdomains you can find?","exampleUseCases":[{"title":"Security audit of third-party vendor domain","prompt":"Run a full domain check on vendor-corp.com for me — I need to see their WHOIS info, DNS records, TLS certificate, mail policy, and any subdomains so I can assess their security posture before we sign the contract."},{"title":"Detecting DNS changes since last baseline","prompt":"Check acme.io's current DNS records and compare them against this baseline I captured last week: NS records were ns1.acme.io and ns2.acme.io, observed on 2024-06-01. Let me know if anything has changed."},{"title":"Email deliverability investigation","prompt":"Can you look up the mail policy for startup.io? I want to see their SPF, DKIM, and DMARC records to understand why our emails to them might be bouncing."}],"resultDescription":"Returns a comprehensive domain intelligence report including: WHOIS registration details (registrar, registrant, expiry dates), full DNS records (A, MX, NS, TXT, etc.), mail policy records (SPF, DKIM, DMARC), TLS/SSL certificate metadata (issuer, validity, SANs), and a list of discovered subdomains. If a baseline is provided, changes since the baseline observation can be highlighted.","failureModes":["Domain not found or unresolvable — returns empty or partial results","Invalid domain format (exceeds 253 characters or malformed) — request rejected","WHOIS data unavailable for certain TLDs or privacy-protected registrations","TLS certificate absent if domain has no HTTPS endpoint","Payment failure over x402 — request not processed","Rate limiting or temporary upstream DNS/WHOIS provider failures"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, multi-signal domain intelligence report in a single call without managing API keys or subscriptions — ideal for one-off lookups, agent-driven security audits, or pay-as-you-go workflows. Prefer it over dedicated WHOIS or DNS tools when you need WHOIS, DNS, mail policy, TLS, and subdomains combined. The x402 micropayment model makes it suitable for low-volume, on-demand use cases where committing to a subscription is undesirable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:40:43.818Z","isFirstParty":false,"canonicalSlug":"domain-intel-whois-dns-tls-subdomain-lookup-via-x402-323ca60a"}