{"uid":"cap_iPfGiMn51UTQWimqYIbZo","slug":"dns-a-ns2-subdomain-b739a3c4","name":"dns-a-ns2-subdomain","description":"A record of ns2.<domain>: looks up the ns2 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 ns2 without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/ns2/a?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_L7fbN3bku3UrISnfedmTP","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 A record for the ns2 subdomain of a given domain via Cloudflare DNS over HTTPS and reports its existence, IP addresses, and TTL.","exampleAgentPrompt":"Can you check if ns2.example.com has a DNS A record — I want to know if it exists, what IP it resolves to, and its TTL?","exampleUseCases":[{"title":"Secondary nameserver existence check","prompt":"Does ns2.cloudflare.com have an A record? I want to confirm it exists and see what IP it resolves to before I update my domain's nameserver settings."},{"title":"Domain infrastructure recon for security audit","prompt":"I'm auditing the DNS setup for acme-corp.com — can you check if ns2.acme-corp.com exists as an A record and tell me its IP and TTL?"},{"title":"Monitoring nameserver availability","prompt":"Check if ns2.myprovider.net currently has a valid A record — I need to know if it's resolving or has gone offline, along with any TTL info."}],"resultDescription":"Returns whether ns2.<domain> exists as a DNS A record, the resolved IPv4 address(es), the TTL in seconds, and the DNS response code — all retrieved via Cloudflare DoH.","failureModes":["Domain does not exist (NXDOMAIN) — returns no records and a non-existent response code","ns2 subdomain has no A record (may have AAAA or other records but not A)","Malformed or missing domain input — likely returns an error or empty result","Cloudflare DoH service unavailable — upstream timeout or error","Domain with SERVFAIL — upstream resolver issue reported back"],"whenToPreferThis":"Use this endpoint when you need a fast, targeted check on whether ns2.<domain> has an A record without performing full subdomain enumeration. Ideal for DNS infrastructure audits, security reconnaissance, or verifying nameserver configuration for a specific domain. Choose this over generic DNS tools when you only need the ns2 host and want a paid, reliable, DoH-backed result via Cloudflare at low cost per lookup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T19:00:39.457Z","isFirstParty":false,"canonicalSlug":"dns-a-ns2-subdomain-b739a3c4"}