{"uid":"cap_s-pvGx1_0G_WEqGl6GI_p","slug":"dns-a-record-lookup-for-sso-subdomain-31cef817","name":"DNS A Record Lookup for SSO Subdomain","description":"A record of sso.<domain>: looks up the sso 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 sso without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/sso/a?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_JWY9MZWMMJYbTRyHhmnlR","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 DNS A record for the sso.<domain> subdomain via Cloudflare DoH and reports existence, IP records, and TTL.","exampleAgentPrompt":"Can you check whether acme.com has an SSO subdomain configured — specifically look up the DNS A record for sso.acme.com and tell me if it exists, what IP it points to, and the TTL?","exampleUseCases":[{"title":"Verify SSO infrastructure before integration","prompt":"Before we integrate with Globex Corporation's SSO, can you check whether sso.globexcorp.com actually resolves in DNS? I need to know the IP and whether the record exists."},{"title":"Competitive intelligence on auth setup","prompt":"I'm researching whether rival.io has a dedicated SSO host set up — can you look up the A record for sso.rival.io and tell me if it exists?"},{"title":"Pre-sales domain recon for SSO readiness","prompt":"We're about to pitch enterprise SSO to techfirm.net — can you quickly check if they already have an sso.techfirm.net subdomain in DNS so I know if they have something in place?"}],"resultDescription":"Returns whether the sso.<domain> A record exists, the resolved IP address(es), and the TTL value from Cloudflare's DNS over HTTPS resolver. If the record does not exist, reports absence.","failureModes":["Domain does not exist — NXDOMAIN returned, no records","sso subdomain not configured — empty answer section","Network or DoH resolver timeout","Invalid or malformed domain input","SERVFAIL from upstream DNS"],"whenToPreferThis":"Use this endpoint when you need a fast, targeted existence check for the sso subdomain of a specific domain without full subdomain enumeration. Ideal for pre-integration checks, security reconnaissance, or verifying enterprise SSO infrastructure. Prefer this over generic DNS tools when you specifically need the sso host A record and want a paid, reliable, Cloudflare-backed result.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:12.532Z","isFirstParty":false,"canonicalSlug":"dns-a-record-lookup-for-sso-subdomain-31cef817"}