{"uid":"cap_FfSQJlHYXx7p0gTFd6vMg","slug":"dns-a-record-lookup-for-help-subdomain-9584262c","name":"DNS A Record Lookup for help Subdomain","description":"A record of help.<domain>: looks up the help host under the domain you give (A via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like help without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/help/a?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_Dc4JAhr1b2_1IUlo6E5Xz","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":"Resolves the A record of help.<domain> via Cloudflare DNS over HTTPS, reporting existence, IP records, and TTL","exampleAgentPrompt":"Can you check if help.acmecorp.com exists in DNS — specifically look up the A record for the help subdomain of acmecorp.com and tell me its IP and TTL?","exampleUseCases":[{"title":"Verify help portal DNS before launch","prompt":"We're about to launch our help portal — can you check whether help.mybrand.com has an A record set up in DNS and what IP it points to?"},{"title":"Audit competitor help subdomain presence","prompt":"I want to know if our competitor competitorco.com has a help subdomain configured — look up the A record for help.competitorco.com and tell me if it resolves and what the TTL is."},{"title":"Diagnose missing help subdomain","prompt":"Our customers are reporting that help.ourplatform.io isn't loading — can you check if the A record for the help subdomain of ourplatform.io actually exists in DNS?"}],"resultDescription":"Returns whether the help.<domain> A record exists, the resolved IP address(es), and the TTL value as reported by Cloudflare DoH. If the subdomain does not exist, indicates non-existence without enumerating other subdomains.","failureModes":["Domain does not exist — NXDOMAIN response with no records returned","help subdomain not configured — empty record set indicating the host is absent","Invalid or malformed domain input — API may return an error or empty result","DNS lookup timeout — Cloudflare DoH unreachable or slow","Payment failure — x402 payment of $0.01 USDC not completed, request rejected"],"whenToPreferThis":"Choose this endpoint when you need a quick, targeted existence and IP check for the help subdomain of a specific domain without performing broad subdomain enumeration. Ideal for SaaS infrastructure auditing, competitor research, or pre-launch DNS verification where only the help host is of interest. Prefer this over generic DNS tools when you want a single-purpose, low-cost ($0.01) API call with Cloudflare DoH reliability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:02.807Z","isFirstParty":false,"canonicalSlug":"dns-a-record-lookup-for-help-subdomain-9584262c"}