{"uid":"cap_j1wFJfIRswC-onhWX3lxx","slug":"certificate-authority-policy-lookup-for-email-operations-caa-dns-c34c7870","name":"Certificate Authority Policy Lookup for Email Operations (CAA DNS)","description":"Certificate authority policy lookup for Email operations: Return CAA records that constrain certificate issuance. DNS data only; does not send email or verify that an inbox exists.","url":"https://market.datapackvibe.com/x402/demand-domain-certificate-authorities-email-operations?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"domain":{"type":"string","default":"example.com","description":"Public DNS domain, e.g. example.com."}}},"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_2TunGz2DE_H8JU25DN744","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":"Looks up CAA (Certification Authority Authorization) DNS records for a domain to determine which certificate authorities are authorized to issue certificates for email operations.","exampleAgentPrompt":"Can you look up the CAA DNS records for example.com and tell me which certificate authorities are allowed to issue email-related certificates for that domain?","exampleUseCases":[{"title":"Email TLS certificate CA eligibility check","prompt":"Before I request an email certificate from Let's Encrypt, can you check the CAA records for mycompany.com to see if Let's Encrypt is actually authorized to issue certs there?"},{"title":"Domain security audit for CA constraints","prompt":"I'm auditing the DNS configuration for acmecorp.com — can you pull the CAA records so I can see which certificate authorities are permitted to issue certificates for email operations on that domain?"},{"title":"Troubleshoot certificate issuance failure","prompt":"Our certificate vendor is failing to issue an email cert for techstartup.io — can you check the CAA DNS records for that domain to see if there's a policy blocking them?"}],"resultDescription":"Returns CAA (Certification Authority Authorization) DNS records for the specified domain. These records indicate which certificate authorities are permitted to issue SSL/TLS certificates for email operations on the domain. The response is pure DNS data — it does not verify inbox existence or send any email.","failureModes":["Domain does not exist in DNS — no records returned","Domain has no CAA records configured — empty result indicating no CA restrictions","Malformed domain input — validation error","DNS resolution timeout — transient network failure","Non-public or internal domain provided — lookup may fail or return unexpected results"],"whenToPreferThis":"Use this endpoint when you need to programmatically determine which certificate authorities are authorized to issue certificates for email operations on a given domain via CAA DNS policy. Prefer this over manual DNS tools when building automated PKI auditing pipelines, pre-issuance CA eligibility checks, or domain security validation workflows. This endpoint is DNS-only and does not verify email deliverability or inbox existence.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:38.708Z","isFirstParty":false,"canonicalSlug":"certificate-authority-policy-lookup-for-email-operations-caa-dns-c34c7870"}