{"uid":"cap_1F15Q-emx4XZRcC6cn-RG","slug":"mesh-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-48898b87","name":"B2A Email Deliverability, MX, SPF & DMARC Verifier","description":"Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records. (Live x402 v2, IETF MPP & MCP endpoint at https://mesh.agentdiet.dev/v1/mx-check)","url":"https://mesh.agentdiet.dev/v1/mx-check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["email"],"properties":{"email":{"type":"string","minLength":1,"description":"Email address to validate for syntax, MX deliverability, and disposable risk"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.005","displayCostAsset":"USD","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":"$0.005/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bUpiMZunvpuaG3zos0lGN","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mesh.agentdiet.dev","brandSlug":"mesh-agentdiet-dev-mpp","brandBaseUrl":"https://mesh.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider detection, role account flags, and live DNS MX, SPF, and DMARC record checks to assess real deliverability.","exampleAgentPrompt":"Can you check whether john.doe@acmecorp.com is a real, deliverable email address — specifically whether the domain has live MX records, valid SPF and DMARC setup, and whether it looks like a disposable or role account?","exampleUseCases":[{"title":"Pre-send cold outreach validation","prompt":"Before I send this sales campaign, check whether contact@techstartup.io is actually deliverable — I need to know if the domain has MX records and isn't a throwaway or role-only address."},{"title":"CRM email hygiene check","prompt":"I just imported a list and want to verify noreply@bigcorp.com — can you tell me if it's a role account, whether the domain has SPF and DMARC configured, and if it would likely bounce?"},{"title":"Fraud and fake registration screening","prompt":"A user just signed up with temp-mail123@guerrillamail.com — can you run a deliverability check on that email to see if it's from a disposable or burner provider before I approve their account?"}],"resultDescription":"Returns a structured report indicating email syntax validity, whether the domain belongs to a known disposable/burner provider, whether the address is a role account (e.g. info@, admin@), and live DNS lookup results for MX, SPF, and DMARC records — giving a comprehensive deliverability and authenticity assessment.","failureModes":["Missing or malformed email parameter returns validation error","Domain has no DNS records — MX lookup returns empty result","Disposable provider database may not cover newly created throwaway domains","DNS resolution timeout if upstream DNS is slow or unreachable","Non-existent TLD or purely syntactically invalid emails fail at parse stage"],"whenToPreferThis":"Choose this endpoint when you need real-time, multi-layer email validation that goes beyond simple syntax checking — especially when you need to catch disposable addresses, role accounts, and verify actual DNS-level deliverability (MX, SPF, DMARC) in a single call. Prefer it over basic regex validators for CRM hygiene, fraud prevention, or pre-outreach list scrubbing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:26.222Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-59ba9778"}