{"uid":"cap_Lzppy-YIYHfXtvmjyw4Yc","slug":"domain-intel-mx-mailgun-article-lookup-halowerk-66cf9bd9","name":"Domain Intel MX/Mailgun Article Lookup — Halowerk","description":"Domain in, WHOIS, DNS, mail policy, TLS certificate and subdomains out. Pay per call in USDC over x402. No signup, no API key.","url":"https://dns.halowerk.com/domain/articles/mx-mailgun?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"domain":{"type":"string","maxLength":253},"baseline":{"type":"object","required":["domain","observed_at","records"],"properties":{"domain":{"type":"string","maxLength":253},"records":{"type":"array","items":{"type":"object","required":["exchange","priority"],"properties":{"exchange":{"type":"string","maxLength":254},"priority":{"type":"integer","maximum":65535,"minimum":0}},"additionalProperties":false},"maxItems":50},"observed_at":{"type":"string","maxLength":40}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.009","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":"$0.009/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__ZdC_RFfxwdtZqMx36d0q","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.009","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Given a domain and optional MX baseline, returns mail exchange records and Mailgun-specific mail policy intelligence for that domain.","exampleAgentPrompt":"Check if acme.com uses Mailgun for email — look up its MX records and tell me about its mail policy configuration.","exampleUseCases":[{"title":"Detect Mailgun usage for prospecting","prompt":"I'm building a sales list of companies that use Mailgun — can you check whether stripe.com routes its mail through Mailgun by looking up its MX records?"},{"title":"Monitor MX record drift for security","prompt":"I have a baseline of MX records for mydomain.com from last week — priority 10 for smtp.mailgun.org observed at 2024-06-01T00:00:00Z. Can you check the current MX config and tell me if anything has changed?"},{"title":"Audit email infrastructure before migration","prompt":"We're about to migrate email for shopify.com and need to know its current MX record setup and whether it's using Mailgun — can you pull that info?"}],"resultDescription":"Returns the current MX records (exchange hostnames and priorities) for the queried domain along with Mailgun-specific mail policy details. If a baseline is supplied, the response may indicate drift or changes relative to that snapshot.","failureModes":["Domain does not exist or is unresolvable — returns empty or error response","Domain has no MX records configured — returns empty MX list","Malformed domain input exceeding 253 characters — schema validation error","Baseline records array exceeds 50-item limit — rejected with validation error","Payment failure over x402 protocol — request not processed","Transient DNS resolution timeout — may return partial or no data"],"whenToPreferThis":"Use this endpoint when you specifically need MX record data and Mailgun mail policy intelligence for a domain, especially when you want to detect Mailgun usage or compare current MX records against a known baseline. Prefer this over generic WHOIS or full domain-intel endpoints when your focus is narrowly on mail exchange configuration rather than TLS certificates, subdomains, or WHOIS registrant data. Ideal for pay-per-call usage with no API key or account required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:23.221Z","isFirstParty":false,"canonicalSlug":"domain-intel-mx-mailgun-article-lookup-halowerk-66cf9bd9"}