{"uid":"cap_wc62nJs3Haz-DsZl9gVw-","slug":"mail-exchanger-mx-lookup-for-vendor-screening-42cb0ef8","name":"Mail Exchanger (MX) Lookup for Vendor Screening","description":"Mail exchanger lookup for Vendor screening: Return the domain MX hosts and their delivery priorities. DNS data only; does not send email or verify that an inbox exists.","url":"https://market.datapackvibe.com/x402/demand-domain-mx-records-vendor-screening?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_K57yyz0ic-l6R19MSChSl","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":"Returns the MX hosts and their delivery priorities for a given domain via DNS lookup, intended for vendor screening workflows.","exampleAgentPrompt":"Can you look up the MX records for stripe.com so I can see which mail servers handle their email delivery and what the priority order is?","exampleUseCases":[{"title":"Vendor onboarding email infrastructure check","prompt":"We're onboarding Acme Corp as a vendor — can you pull the MX records for acmecorp.com so I can verify they have a properly configured mail server before we add them to our approved vendor list?"},{"title":"Phishing risk assessment for supplier domain","prompt":"I need to screen a new supplier at supplierco.net — look up their MX records so I can see if they're using a reputable mail provider or something suspicious."},{"title":"Procurement due diligence domain audit","prompt":"As part of our procurement review, can you fetch the MX hosts and priorities for globalparts.io so I know what email infrastructure they're running?"}],"resultDescription":"Returns a list of MX record entries for the queried domain, each containing the mail exchanger hostname and its numeric delivery priority (lower number = higher priority). DNS data only — does not verify inbox existence or send email.","failureModes":["Domain does not exist or has no MX records — returns empty result or DNS NXDOMAIN","Malformed domain input — may return an error or unexpected result","Temporary DNS resolution failure — transient error, retry recommended","Private or internal domains not publicly resolvable — no results returned"],"whenToPreferThis":"Use this endpoint when you need to quickly determine the mail exchange infrastructure for a vendor or partner domain as part of a screening or due diligence workflow. It is ideal when you need raw DNS MX data (hosts + priorities) without email sending, inbox verification, or SMTP connectivity checks. Prefer this over full email validation services when DNS-only data suffices and cost efficiency matters ($0.01/call).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:33.022Z","isFirstParty":false,"canonicalSlug":"mail-exchanger-mx-lookup-for-vendor-screening-42cb0ef8"}