{"uid":"cap_P9eV-_VpmIGI7NbGp1Zjk","slug":"verifypulse-dns-audit-domain-email-deliverability-check-de04f237","name":"VerifyPulse DNS Audit — Domain Email Deliverability Check","description":"VerifyPulse is a high-speed B2B email verification engine. Validate RFC syntax, resolve live DNS MX records, filter 3,800+ disposable domains, and run simulated SMTP handshakes in sub-140ms. Stop bounces before sending.","url":"https://verifypulse-seven.vercel.app/v1/x402/dns-audit?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"domain":{"type":"string","description":"Parameter domain (e.g. openai.com)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"score":100,"domain":"openai.com","spf_lookups":"3/10","dmarc_policy":"reject"}},"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_FUK9p81EdHH_0sGp3Hq4n","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":"Audits a domain's DNS email configuration (SPF, DMARC, MX) and returns a deliverability health score in real time.","exampleAgentPrompt":"Can you audit the DNS email configuration for stripe.com and tell me their deliverability score, DMARC policy, and how many SPF lookups they're using?","exampleUseCases":[{"title":"Pre-send domain deliverability audit","prompt":"Before I launch this email campaign, can you check the DNS email setup for acme.com — I need their deliverability score and whether their DMARC policy is set to reject?"},{"title":"Prospect domain quality screening","prompt":"I'm building a B2B outreach list and I want to know if salesforce.com has solid email authentication configured — can you run a DNS audit and tell me their SPF lookup count and DMARC status?"},{"title":"Detect spoofing risk on partner domain","prompt":"Can you check whether hubspot.com has a strict DMARC policy and proper SPF records in place? I want to know if their domain is protected against email spoofing."}],"resultDescription":"Returns a JSON object containing a numeric deliverability score (0–100), the audited domain name, the number of SPF DNS lookups consumed out of the allowed 10, and the DMARC policy setting (e.g. 'reject', 'quarantine', 'none').","failureModes":["Invalid or non-existent domain returns an error or zero score","Domains with no MX records may return incomplete results","DNS resolution timeouts for slow-responding nameservers","Malformed domain strings (missing TLD, spaces) cause validation errors","Private/internal domains that are not publicly resolvable will fail lookup"],"whenToPreferThis":"Use this endpoint when you need a fast, structured DNS-level audit of a specific domain's email authentication posture — particularly SPF lookup count and DMARC policy — without needing to validate an individual email address. Prefer this over full email verification endpoints when your goal is domain-level deliverability health scoring for outreach list hygiene, partner vetting, or pre-campaign infrastructure checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:30:06.688Z","isFirstParty":false,"canonicalSlug":"verifypulse-dns-audit-domain-email-deliverability-check-de04f237"}