{"uid":"cap_AVwr6rPSE6x9WMrF4FhwG","slug":"chainverdict-email-security-dns-check-api-b1a786d9","name":"ChainVerdict Email Security DNS Check API","description":"x402 v2 pay-per-call. Unpaid requests receive HTTP 402 with payment requirements.","url":"https://chainverdict.xyz/v1/security/email/%7Bdomain%7D","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"},"pathParams":{"type":"object","required":["domain"],"properties":{"domain":{"type":"string","description":"Domain to check SPF/DMARC/DKIM"}}},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","additionalProperties":true}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ibIFdq_yQQY0jgsxknCDi","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks a domain's email security DNS records (SPF, DMARC, DKIM) to assess its email authentication posture","exampleAgentPrompt":"Can you check the email security DNS records for example.com — specifically whether it has SPF, DMARC, and DKIM properly configured?","exampleUseCases":[{"title":"Pre-send email deliverability check","prompt":"Before I send this campaign, can you verify that acmecorp.com has valid SPF and DMARC records so my emails won't get flagged as spam?"},{"title":"Phishing domain investigation","prompt":"I got a suspicious email from someone claiming to be from fastpayments.io — can you check if that domain has proper email authentication set up, or if it looks like a spoofed sender?"},{"title":"Vendor email security audit","prompt":"We're onboarding a new supplier at supplierco.com and I need to verify they have SPF, DMARC, and DKIM configured before we start exchanging sensitive documents over email."}],"resultDescription":"Returns DNS-based email authentication record details for the queried domain, including the presence, validity, and configuration of SPF, DMARC, and DKIM records, along with an overall security posture assessment.","failureModes":["Domain does not exist — DNS lookup failure or NXDOMAIN response","Domain has no SPF/DMARC/DKIM records — returns empty or missing record indicators","Invalid domain format in path parameter — may return 400 or malformed response","Payment not provided — HTTP 402 returned with payment requirements before any data","Rate limiting or transient DNS resolution errors — may require retry"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call lookup of email authentication DNS records (SPF, DMARC, DKIM) for a single domain without requiring a subscription. It is well-suited for on-demand security checks in agent workflows, phishing investigation pipelines, or vendor onboarding automation where you only occasionally need to audit domains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-11T18:40:51.938Z","isFirstParty":false}