{"uid":"cap_eAsXWbB4dDGIUi9XRn3yL","slug":"is-email-hosted-by-yahoo-mail-c7d152ff","name":"Is Email Hosted by Yahoo Mail","description":"Is the domain's email hosted by yahoo mail? Looks up the MX records (Cloudflare DoH) and matches them against yahoo-mail's mail-exchanger patterns, returning yes/no, the MX hosts and which matched. Provider detection for deliverability, sales and migration work. $0.01 per lookup.","url":"https://email.intel.rallylive.ca/email/hosted-by/yahoo-mail?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_zm_ic_yJcyW9S-qG3wqAE","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 Yahoo Mail by looking up MX records via Cloudflare DoH and matching them against Yahoo Mail's mail-exchanger patterns.","exampleAgentPrompt":"Can you check if the email for example.com is hosted by Yahoo Mail? I need to know before we start our outreach campaign.","exampleUseCases":[{"title":"Pre-sales email provider research","prompt":"Before we reach out to acme.com, can you check if their email is hosted by Yahoo Mail? I want to tailor our pitch based on what email platform they use."},{"title":"Email migration validation","prompt":"We just migrated clientdomain.com away from Yahoo Mail — can you confirm whether the MX records still show Yahoo Mail or if the migration went through?"},{"title":"Deliverability pre-flight check","prompt":"I'm about to send a bulk campaign to a list of domains — can you check if techcorp.io is on Yahoo Mail so I can apply the right deliverability settings for Yahoo?"}],"resultDescription":"Returns a yes/no answer indicating whether the domain's email is hosted by Yahoo Mail, along with the full list of discovered MX hosts and which specific hosts matched Yahoo Mail's mail-exchanger patterns.","failureModes":["Domain has no MX records — returns no match with empty MX host list","DNS lookup failure via Cloudflare DoH — may return error or inconclusive result","Domain does not exist — lookup fails with error","Yahoo Mail pattern list out of date — false negative if Yahoo changes MX hostnames","Missing or malformed domain query parameter — returns validation error"],"whenToPreferThis":"Use this endpoint when you specifically need to detect Yahoo Mail as the email hosting provider for a given domain, particularly for deliverability optimization, pre-sales intelligence, or email migration workflows. Prefer this over generic MX lookup tools when you need an authoritative yes/no answer matched against Yahoo Mail's known patterns rather than raw DNS data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:46:05.537Z","isFirstParty":false,"canonicalSlug":"is-email-hosted-by-yahoo-mail-c7d152ff"}