{"uid":"cap_DiqJ0-5N4vjGAk0w4Md8j","slug":"mail-exchanger-mx-record-lookup-for-security-review-d774b618","name":"Mail Exchanger (MX) Record Lookup for Security Review","description":"Mail exchanger lookup for Security review: 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-security-review?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_yhVci75ZCSwAgoFC-0EsH","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 priority values for a given domain using DNS lookup, intended for security review workflows.","exampleAgentPrompt":"Can you look up the MX records for gmail.com and tell me the mail servers and their delivery priorities?","exampleUseCases":[{"title":"Email infrastructure security audit","prompt":"I'm reviewing the email security posture of acme.com — can you pull its MX records so I can see which mail servers handle its inbound email and in what priority order?"},{"title":"Phishing domain investigation","prompt":"I'm investigating a suspicious domain, suspicious-lookalike.com — look up its MX records so I can see if it's set up to receive email, which would suggest it's being used for phishing."},{"title":"Third-party vendor email routing check","prompt":"Before we start working with vendor.io, I need to know their mail infrastructure — can you fetch the MX records for vendor.io to confirm how their email is routed and which providers they use?"}],"resultDescription":"A list of MX records for the queried domain, each containing the mail exchanger hostname and its associated delivery priority integer. Pure DNS data — no email is sent and no inbox existence is verified.","failureModes":["Domain does not exist or has no MX records — returns empty result or DNS NXDOMAIN","Invalid or malformed domain input — validation error returned","DNS resolution timeout — transient failure, retry recommended","Private or internal domains not resolvable via public DNS — no results returned"],"whenToPreferThis":"Use this endpoint when you need to programmatically retrieve DNS MX records for a domain as part of a security review, vendor assessment, phishing investigation, or email infrastructure audit. Prefer this over general DNS tools when you want a structured, machine-readable response with host and priority fields. Do not use this to verify whether a specific email inbox exists or to send email.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:37.598Z","isFirstParty":false,"canonicalSlug":"mail-exchanger-mx-record-lookup-for-security-review-d774b618"}