{"uid":"cap_Vac7wYKMzUzPoQza1Elji","slug":"is-email-hosted-by-runbox-255e3a9c","name":"is-email-hosted-by-runbox","description":"Is the domain's email hosted by runbox? Looks up the MX records (Cloudflare DoH) and matches them against runbox's mail-exchanger patterns, returning yes/no, the MX hosts and which matched. Provider detection for deliverability, sales and migration work. $0.01 per lookup.","url":"https://email.intel.rallylive.ca/email/hosted-by/runbox?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_8rdhXk-U6YTh3wHxko3wr","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":"Checks whether a domain's email is hosted by Runbox by looking up its MX records via Cloudflare DoH and matching against Runbox mail-exchanger patterns.","exampleAgentPrompt":"Can you check if the domain 'protonmail.com' has its email hosted by Runbox — I need to know if Runbox is their mail provider based on MX records.","exampleUseCases":[{"title":"Pre-migration email provider audit","prompt":"I'm about to migrate a client's email and need to confirm whether 'example.com' is currently hosted on Runbox before I start — can you check their MX records and tell me if Runbox is their provider?"},{"title":"Sales prospecting email stack detection","prompt":"I'm building a list of companies using Runbox for email. Can you check if 'targetcompany.com' has its email hosted by Runbox so I know whether to pitch our migration service?"},{"title":"Deliverability investigation for Runbox","prompt":"We're having deliverability issues with emails going to 'clientdomain.com' — can you check if their email is actually hosted by Runbox so I can look into Runbox-specific routing rules?"}],"resultDescription":"Returns a yes/no boolean indicating whether the domain's email is hosted by Runbox, along with the full list of MX hosts discovered and which specific MX hostnames matched Runbox's known mail-exchanger patterns.","failureModes":["Domain does not exist or has no MX records — returns no match with empty MX list","Cloudflare DoH unavailable — DNS lookup may fail or timeout","Invalid domain format in input — may return an error or empty result","Domain uses a Runbox reseller or custom hostname not in the pattern list — may return false negative"],"whenToPreferThis":"Use this endpoint when you need to definitively determine whether a specific domain's email is hosted by Runbox, particularly for deliverability investigations, sales prospecting targeting Runbox customers, or pre-migration provider audits. It is more reliable than generic MX lookup tools because it applies Runbox-specific pattern matching, not just raw DNS output.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T06:48:08.822Z","isFirstParty":false,"canonicalSlug":"is-email-hosted-by-runbox-255e3a9c"}