{"uid":"cap_UqE7pFQ0vz1iZgXo3j-R6","slug":"domaindna-email-security-check-d412ba4d","name":"DomainDNA Email Security Check","description":"Any website&#39;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/email-security?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 5 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_A1DHifTZWz00ZWZoS1ree","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 email security configuration (SPF, DKIM, DMARC) and related domain intelligence for any given domain in a single API call.","exampleAgentPrompt":"Can you check the email security setup for stripe.com — specifically whether they have SPF, DKIM, and DMARC configured and what their DMARC policy is?","exampleUseCases":[{"title":"Vendor email security audit","prompt":"I need to verify that our top 5 suppliers have proper email security in place — can you check SPF, DKIM, and DMARC for acme.com, globalsupply.com, partnerco.com, vendorx.com, and logisticsllc.com?"},{"title":"Pre-campaign domain validation","prompt":"Before I start our email marketing campaign, can you check whether our sending domain newsletter.mycompany.com has SPF and DMARC properly set up so we don't end up in spam?"},{"title":"Phishing investigation triage","prompt":"I got a suspicious email claiming to be from payments.bigbank.com — can you pull the email security and DNS records for that domain so I can tell if it's a spoofed or legitimate sender?"}],"resultDescription":"A JSON object containing email security records for the queried domain, including SPF record details, DKIM configuration, DMARC policy (p=none/quarantine/reject), domain age from RDAP, and DNS evidence supporting each finding.","failureModes":["Domain does not exist or is unresolvable — returns empty or error response","Domain has no SPF, DKIM, or DMARC records configured — fields returned as null or absent","Invalid input format (not a valid domain, URL, or email) — returns validation error","More than 5 domains submitted in a single call — request rejected","Network timeout reaching the target domain's DNS — partial results returned","Payment not completed — 402 response requiring x402 micropayment"],"whenToPreferThis":"Choose this endpoint when you need a single-call solution for email security posture across SPF, DKIM, and DMARC alongside domain age, with DNS evidence included. It is especially useful for security audits, phishing investigation, vendor risk assessment, and email deliverability checks. Prefer it over manual DNS lookups or separate tools when you need consolidated, structured output with supporting evidence in one request.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:34:02.299Z","isFirstParty":false,"canonicalSlug":"domaindna-email-security-check-d412ba4d"}