{"uid":"cap_a8_jpgLHHnYUtOaHN5OQP","slug":"domain-intel-whois-dns-tls-subdomain-lookup-x402-4065472a","name":"Domain Intel — WHOIS, DNS, TLS & Subdomain Lookup (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-dynadot?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_sX2hP-qPw5s84WKBD23ya","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 discovered subdomains — paid per call in USDC via x402.","exampleAgentPrompt":"Pull the full domain intelligence report for stripe.com — WHOIS, DNS records, mail policy, TLS certificate, and any subdomains you can find.","exampleUseCases":[{"title":"Pre-acquisition domain due diligence","prompt":"Before we finalize this deal, can you pull a full domain intel report on acmecorp.io — I want to see the WHOIS ownership info, when it expires, all DNS records, their TLS cert, and any subdomains that show up?"},{"title":"Email deliverability security audit","prompt":"Check the mail policy for contoso.com — I need to know if they have SPF, DKIM, and DMARC configured correctly, and pull the MX records too."},{"title":"DNS change monitoring against baseline","prompt":"Here's the DNS snapshot I took last week for shopify.com — can you run a new domain intel lookup and tell me if anything has changed in the records since then?"}],"resultDescription":"A structured report containing: WHOIS registration details (registrar, registrant, expiry dates), full DNS record set (A, AAAA, MX, NS, TXT, CAA, SOA), mail policy configuration (SPF, DKIM, DMARC), TLS/SSL certificate metadata, and a list of discovered subdomains. Optionally diff'd against a provided baseline snapshot.","failureModes":["Domain not found or invalid — returns error if the domain string is malformed or unresolvable","WHOIS rate limiting — some registries throttle lookups, potentially returning partial data","TLS certificate unavailable — if the domain has no HTTPS endpoint, cert data will be absent","Subdomain enumeration may be incomplete — passive enumeration only, not guaranteed exhaustive","x402 payment failure — if USDC payment is rejected, the call returns 402 with no data","Baseline schema mismatch — if baseline object fields are malformed, validation error is returned"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, multi-signal domain intelligence snapshot in a single call — combining WHOIS, DNS, mail policy, TLS, and subdomains — without signing up for an account or managing API keys. It is ideal for one-off or infrequent lookups where pay-per-call economics (\\$0.009 USDC) are preferable to subscription plans. The optional baseline parameter makes it useful for change-detection workflows comparing current state against a prior snapshot.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:40:59.285Z","isFirstParty":false,"canonicalSlug":"domain-intel-whois-dns-tls-subdomain-lookup-x402-4065472a"}