{"uid":"cap_kcDsubXkh8a-5UQfLGFig","slug":"dns-txt-record-lookup-for-dev-subdomain-81679e2d","name":"DNS TXT Record Lookup for dev Subdomain","description":"TXT record of dev.<domain>: looks up the dev 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 dev without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/dev/txt?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_YtMmWiu1HDmR100tzeACi","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 records for the dev.<domain> subdomain via Cloudflare DoH and returns whether it exists, its records, and TTL.","exampleAgentPrompt":"Can you check if dev.example.com has any TXT records and what they say?","exampleUseCases":[{"title":"Verify dev environment DNS setup","prompt":"Check if dev.acmecorp.com has any TXT DNS records set up and what their TTL is — I want to confirm our dev subdomain is properly configured."},{"title":"Check for domain verification token on dev host","prompt":"Does dev.mybusiness.com have any TXT records? I need to see if there's a domain verification token sitting on that subdomain."},{"title":"Confirm dev subdomain existence before deployment","prompt":"Before I push to production, can you quickly verify whether the dev subdomain of startupco.io actually exists in DNS and has any TXT records on it?"}],"resultDescription":"Returns whether the dev.<domain> subdomain exists in DNS, any TXT record values associated with it, and the TTL of those records. Also includes the DNS response code (e.g. NOERROR or NXDOMAIN) indicating whether the host was found.","failureModes":["Domain does not exist — returns NXDOMAIN response code with no records","dev subdomain not configured — host not found, empty records returned","Invalid domain format — may return an error or empty result","Cloudflare DoH unreachable — service timeout or connectivity error","Rate limiting or payment failure — request rejected before DNS lookup is performed"],"whenToPreferThis":"Use this endpoint when you need a targeted, fast TXT record check specifically for the dev subdomain of a domain without performing broader subdomain enumeration. Prefer this over generic DNS lookup tools when you only care about the dev host and want a low-cost ($0.01), single-purpose check via Cloudflare DoH for reliability and consistency.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:54:59.936Z","isFirstParty":false,"canonicalSlug":"dns-txt-record-lookup-for-dev-subdomain-81679e2d"}