{"uid":"cap_f407V4TdV7hIxeOzcY8Hn","slug":"domaindna-tech-stack-email-security-lookup-74261dca","name":"DomainDNA 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.cybermaxtools.com/x402/api/tech?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 3 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_tamFYVXAmzn6D2C_OhIwH","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 tech stack fingerprints, email security configuration (SPF, DKIM, DMARC), and domain age for any given domain, URL, or email address in a single API call.","exampleAgentPrompt":"Can you check what tech stack stripe.com is running and whether their email security is properly configured — I want to see their SPF, DMARC setup and how old the domain is?","exampleUseCases":[{"title":"Vendor security due diligence","prompt":"Before we onboard this new supplier, can you check vendoracme.com's email security — specifically whether they have SPF and DMARC set up — and tell me how old the domain is so I can flag any red flags?"},{"title":"Competitor technology research","prompt":"I'm doing competitive research — can you find out what tech stack, frameworks, and infrastructure shopify.com is using?"},{"title":"Phishing domain vetting","prompt":"I just received an email from someone at payments-secure-invoices.com — can you check that domain's age, tech stack, and whether it has any real email security records like DMARC and SPF to help me decide if it's legit?"}],"resultDescription":"A JSON object containing the detected technology stack (CMS, CDN, analytics, frameworks, etc.) with supporting evidence, email security DNS records (SPF, DKIM, DMARC) and their validity, domain registration age, and RDAP/WHOIS-derived metadata — all from a single request per domain.","failureModes":["Domain not found or unresolvable — returns error or empty tech stack","Private/redacted WHOIS may result in missing domain age","Domains behind strict WAFs may return incomplete tech fingerprints","Invalid input format (non-domain string) may return a validation error","Rate limiting if querying more than 3 domains per call or in rapid succession"],"whenToPreferThis":"Choose this endpoint when you need a combined one-call lookup of technology stack, email security posture, and domain age for any domain — it saves multiple separate DNS, WHOIS, and crawl calls. Prefer it over individual DNS lookup tools, BuiltWith-style tech detectors, or WHOIS lookups when you want consolidated evidence-backed results in a single request for up to 3 domains at once.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T12:34:27.834Z","isFirstParty":false,"canonicalSlug":"domaindna-tech-stack-email-security-lookup-74261dca"}