{"uid":"cap_wUMIoFv887iHNAZFU5Us4","slug":"dns-aaaa-record-lookup-for-mx2-subdomain-via-cloudflare-doh-fed5cd55","name":"DNS AAAA Record Lookup for mx2 Subdomain via Cloudflare DoH","description":"AAAA record of mx2.<domain>: looks up the mx2 host under the domain you give (AAAA via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mx2 without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/mx2/aaaa?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_QekW-Sjb-ZcON7MUvQ5mm","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":"Looks up the AAAA (IPv6) record for the mx2 subdomain of a given domain using Cloudflare DNS over HTTPS, returning existence status, records, and TTL.","exampleAgentPrompt":"Can you check if mx2.rallylive.ca has an IPv6 AAAA DNS record, and tell me its address and TTL if it exists?","exampleUseCases":[{"title":"Verify secondary mail server IPv6 support","prompt":"Does mx2.acme.com have an AAAA record? I want to know if our secondary mail server supports IPv6 and what its address is."},{"title":"Pre-migration email infrastructure audit","prompt":"Before we migrate, check whether mx2.oldcompany.com resolves to an IPv6 address via DNS — I need the record details and TTL."},{"title":"Monitoring email host existence","prompt":"Can you confirm whether mx2.startupxyz.io currently has an AAAA DNS record set up, and report back whether it exists and what TTL it has?"}],"resultDescription":"Returns whether the mx2 subdomain AAAA record exists for the given domain, the IPv6 address(es) in the record, the TTL value, and the DNS response code as resolved via Cloudflare DNS over HTTPS.","failureModes":["Domain does not exist — returns NXDOMAIN or no record found","mx2 subdomain has no AAAA record (only A record exists) — returns empty or NOERROR with no data","Invalid domain format provided — may return error or empty result","Cloudflare DoH upstream unavailable — returns service error","Network timeout reaching Cloudflare DoH — returns timeout error"],"whenToPreferThis":"Choose this endpoint when you need a quick, targeted IPv6 DNS existence check specifically for the mx2 subdomain without enumerating all subdomains. Prefer it over general DNS tools when you want a pay-per-lookup microservice approach at $0.01/call, or when you specifically need Cloudflare DoH resolution for mx2 AAAA records as part of email infrastructure auditing or network reconnaissance workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T18:42:05.730Z","isFirstParty":false,"canonicalSlug":"dns-aaaa-record-lookup-for-mx2-subdomain-via-cloudflare-doh-fed5cd55"}