{"uid":"cap_ReyTjOgVyYx3fC6B8ypPI","slug":"dns-txt-domainkey-subdomain-f9be0588","name":"dns-txt-domainkey-subdomain","description":"TXT record of _domainkey.<domain>: looks up the _domainkey host under the domain you give (TXT via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like _domainkey without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/domainkey/txt?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_wA5fNIwG99Liz6Dw_H7Ie","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 TXT DNS record for _domainkey.<domain> via Cloudflare DoH and reports existence, records, and TTL","exampleAgentPrompt":"Can you check if example.com has a _domainkey TXT DNS record and tell me what it says along with the TTL?","exampleUseCases":[{"title":"Email infrastructure audit for a domain","prompt":"I'm auditing the email setup for acmecorp.com — can you check if there's a _domainkey TXT record and tell me what it contains and its TTL?"},{"title":"Pre-deployment DKIM infrastructure check","prompt":"Before we go live, can you confirm that _domainkey.mycompany.io exists as a TXT record in DNS and what value it has?"},{"title":"Competitor email signing setup investigation","prompt":"I want to know if rivalfirm.com has a _domainkey TXT record set up — can you look it up and tell me whether it exists and what the record says?"}],"resultDescription":"Returns whether the _domainkey.<domain> host exists in DNS, the raw TXT record values if present, and the TTL of the record as resolved via Cloudflare DNS over HTTPS.","failureModes":["Domain does not exist — returns non-existence or NXDOMAIN result","No _domainkey TXT record configured — reports record not found","Malformed domain input — may return an error or empty result","Cloudflare DoH upstream timeout — service may return an error","Invalid or unparseable domain string — lookup fails"],"whenToPreferThis":"Use this endpoint when you need a quick, single-shot existence and content check for the _domainkey TXT DNS record of a specific domain, without needing to enumerate all subdomains. Prefer this over general DNS tools when you specifically want _domainkey lookup via Cloudflare DoH with a pay-per-use model and no API key setup required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:57:09.316Z","isFirstParty":false,"canonicalSlug":"dns-txt-domainkey-subdomain-f9be0588"}