{"uid":"cap_uyLMc8YEo4beBlr1-ozxZ","slug":"domaindna-website-tech-stack-email-security-lookup-ddc826df","name":"DomainDNA: Website Tech Stack & Email Security Lookup","description":"Any website's tech stack and email security, one call. Tech stack, email security and domain age API + MCP: one call per domain, evidence included Try it free in one click, no sign-up.","url":"https://domaindna-api.cybermax-tools.workers.dev/x402/api/registration?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"domain":{"type":"string","description":"A domain, URL or email, or up to 10 separated by commas. Subdomains are kept for the website and DNS checks; DMARC and RDAP use the registrable domain."}}}}},"output":{"type":"object","properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xbFKDXR2axmt1l9chm-gP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a domain's full technology stack, email security configuration (SPF, DKIM, DMARC), and domain age in a single API call","exampleAgentPrompt":"Can you check stripe.com and tell me what tech stack they're running, how old the domain is, and whether their email security (SPF, DKIM, DMARC) is properly configured?","exampleUseCases":[{"title":"Pre-outreach email security audit","prompt":"Before I start my cold email campaign, check salesforce.com to make sure they have proper DMARC and SPF records set up — I want to know if emails to them are likely to land in the inbox."},{"title":"Competitor tech stack research","prompt":"What technology stack is shopify.com running? I want to know their CMS, CDN, analytics tools, and any other tech fingerprints you can find."},{"title":"Lead enrichment for domain vetting","prompt":"I have a lead from the domain acme-widgets.com — can you pull their full domain profile including how old the domain is, what tech they use, and whether their email security looks legit?"}],"resultDescription":"A JSON object containing the website's detected technology stack (CMS, frameworks, CDN, analytics, etc.), email security records (SPF, DKIM, DMARC policies), domain registration age and RDAP data, and DNS details — all in a single response with evidence included","failureModes":["Domain not found or unresolvable returns empty or error response","Rate limiting if more than 10 domains submitted per call","Invalid domain format returns validation error","Private or newly registered domains may have incomplete RDAP data","Some tech stack fingerprints may be absent if the site blocks crawlers"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive single-call lookup combining tech stack fingerprinting, email security posture, and domain age for any website or domain. It is ideal over separate DNS, WHOIS, and tech-detection tools because it bundles all three into one call with evidence, reducing latency and cost. Best for lead enrichment, security audits, pre-outreach vetting, and competitive research.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T00:31:02.018Z","isFirstParty":false,"canonicalSlug":"domaindna-website-tech-stack-email-security-lookup-ddc826df"}