{"uid":"cap_-H4PnkzcB9hlhVpW6MIuK","slug":"ipv4-address-lookup-for-email-domain-operations-78b1f5db","name":"IPv4 Address Lookup for Email Domain Operations","description":"IPv4 address lookup for Email operations: Return public A records for the hostname. DNS data only; does not send email or verify that an inbox exists.","url":"https://market.datapackvibe.com/x402/demand-domain-ipv4-records-email-operations?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"domain":{"type":"string","default":"example.com","description":"Public DNS domain, e.g. example.com."}}},"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_DuhO3-dlyEJYL_iXdvQ9r","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":"Returns public DNS A records (IPv4 addresses) for a given hostname, focused on email-related domain lookups.","exampleAgentPrompt":"Can you look up the public IPv4 DNS A records for the domain sendgrid.net?","exampleUseCases":[{"title":"Verify sender domain IP before emailing","prompt":"What are the IPv4 addresses that mailchimp.com resolves to? I want to check the DNS A records before configuring my email routing."},{"title":"Enrich email domain with IP data","prompt":"I have an email address from @stripe.com — can you resolve the domain to its public IPv4 addresses so I can log the IP for our records?"},{"title":"Debug email delivery infrastructure","prompt":"Can you pull the DNS A records for postmarkapp.com? I'm troubleshooting why emails from that domain aren't reaching us and need to see what IPs it resolves to."}],"resultDescription":"A list of public IPv4 addresses (DNS A records) associated with the queried hostname, sourced from public DNS. Does not include MX records, email verification, or inbox existence checks.","failureModes":["Domain does not exist in public DNS — returns empty or NXDOMAIN response","Invalid domain format provided — may return error or empty result","Domain has no A records (e.g. only has MX or CNAME records) — returns empty list","Transient DNS resolution failure — may return error","Private or internal hostnames not resolvable via public DNS"],"whenToPreferThis":"Use this endpoint when you need to resolve a public domain name to its IPv4 addresses as part of an email-related workflow, such as enriching sender information, validating domain reachability, or auditing email infrastructure. Prefer this over general DNS tools when the context is specifically email domain operations and you need a lightweight, pay-per-call DNS A record lookup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:54.605Z","isFirstParty":false,"canonicalSlug":"ipv4-address-lookup-for-email-domain-operations-78b1f5db"}