{"uid":"cap_25J4L-tolq_WrxXXo_s5U","slug":"email-domain-routing-check-c4416a96","name":"Email Domain Routing Check","description":"Email domain routing check for Email operations: Validate an email address shape and check whether its domain has MX records. DNS data only; does not send email or verify that an inbox exists.","url":"https://market.datapackvibe.com/x402/demand-domain-email-domain-check-email-operations?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"email":{"type":"string","default":"user@example.com","description":"Email address to inspect."}}},"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_WzAHnd8-EkzDgI74mlfyE","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":"Validates the format of an email address and checks whether its domain has MX (Mail Exchanger) DNS records, without sending any email or verifying inbox existence.","exampleAgentPrompt":"Can you check whether john.smith@acmecorp.io is a properly formatted email and if the acmecorp.io domain actually has MX records set up to receive mail?","exampleUseCases":[{"title":"Pre-signup email validation","prompt":"Before we add this new user to our system, can you check if the email they entered — support@startupxyz.com — is valid and whether that domain has mail routing configured?"},{"title":"Bulk list hygiene pre-check","prompt":"I'm about to send a campaign to a list of leads. Can you check whether the domain on this address, contact@bizpartner.net, actually has MX records so I'm not wasting sends on unroutable domains?"},{"title":"Developer form input testing","prompt":"I'm testing our registration form — can you validate whether 'notareal@@baddomain..com' passes format checks and if its domain has any MX records?"}],"resultDescription":"Returns whether the submitted email address passes format/shape validation and whether its domain has MX DNS records configured, indicating the domain is set up to receive email. Does not confirm inbox existence or attempt delivery.","failureModes":["Malformed email input that fails basic shape check — returns invalid format error","Domain exists but has no MX records — reported as unroutable even if domain is live","Temporary DNS lookup failure — may return inconclusive result","Email format is valid but domain is a known catch-all or non-existent TLD — DNS check may still fail","Missing or empty email field — returns missing parameter error"],"whenToPreferThis":"Use this endpoint when you need a lightweight, low-cost DNS-level check to filter out obviously invalid or unroutable email addresses before storing, messaging, or processing them. It is ideal for pre-validation at form submission, list hygiene, or lead qualification pipelines where you need more than format-checking but do not need full SMTP mailbox verification.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:32.459Z","isFirstParty":false,"canonicalSlug":"email-domain-routing-check-c4416a96"}