{"uid":"cap_k14jz9ErYNFiJx1z5gCaJ","slug":"domain-intel-whois-dns-tls-subdomain-lookup-via-x402-ec78473e","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-domainfactory?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_0y_Ti6hVa7EVhIn7f9PYs","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 subdomains — billed per call in USDC via x402 with no API key required.","exampleAgentPrompt":"Pull a full domain intelligence report for stripe.com — I need the WHOIS info, all DNS records, SPF/DMARC mail policy, TLS certificate details, and any known subdomains.","exampleUseCases":[{"title":"Domain ownership and registration audit","prompt":"Can you look up who owns acmecorp.io and when it was registered? I also want to see the full DNS setup and whether their TLS certificate is still valid."},{"title":"Email deliverability and security check","prompt":"Check the mail policy records for newsletter.example.com — I need to know if they have SPF, DKIM, and DMARC configured properly before I trust emails coming from that domain."},{"title":"Baseline DNS change monitoring","prompt":"I recorded DNS records for competitor.com last week — here's the baseline snapshot. Can you fetch the current domain intel for competitor.com and compare against those records to see if anything changed?"}],"resultDescription":"A structured report containing WHOIS registration details (registrar, registrant, expiry dates), full DNS records (A, MX, NS, TXT, CNAME, etc.), mail authentication policy (SPF, DKIM, DMARC), TLS/SSL certificate metadata (issuer, validity, SANs), and a list of discovered subdomains for the queried domain.","failureModes":["Domain not found or unregistered — returns empty or null WHOIS fields","DNS resolution failure for the queried domain","Payment not received or x402 transaction rejected — request not processed","Invalid domain string exceeding 253 characters or malformed input","Rate limiting or upstream WHOIS/DNS query throttling","Baseline object provided with missing required fields (domain, observed_at, records)"],"whenToPreferThis":"Choose this endpoint when you need comprehensive, multi-faceted domain intelligence in a single call — covering WHOIS, DNS, mail policy, TLS, and subdomains simultaneously — without signing up for an account or managing API keys. Especially useful for agents that need pay-as-you-go access (at $0.009 per call) for sporadic domain lookups, competitive research, security audits, or DNS change detection workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:00.567Z","isFirstParty":false,"canonicalSlug":"domain-intel-whois-dns-tls-subdomain-lookup-via-x402-323ca60a"}