{"uid":"cap_HDWyDwXTttOZeABjTZvUt","slug":"reverse-dns-lookup-bulk-b5a7e7d2","name":"reverse-dns-lookup-bulk","description":"Bulk reverse dns lookup: up to 20 ips in one call, processed concurrently, results returned in input order with a per-item error field and a count of failures. Same answer per item as the single /dns/reverse endpoint (Reverse DNS). Batch enrichment for agents that hold a list. $0.01 per batch.","url":"https://intel.rallylive.ca/bulk/dns/reverse","method":"GET","headers":{},"bodySchema":{"type":"object","$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":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_7TXM5C5Q1YrH3MFGk5Vz3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs reverse DNS lookups on up to 20 IP addresses in a single concurrent batch call, returning hostnames in input order with per-item error fields.","exampleAgentPrompt":"I have a list of 15 IP addresses from our server logs — can you do a bulk reverse DNS lookup on all of them and tell me their hostnames, flagging any that fail?","exampleUseCases":[{"title":"Security log IP enrichment","prompt":"I've got 18 suspicious IPs flagged in our SIEM today — run a bulk reverse DNS lookup on all of them and show me the hostnames so I can see which ones belong to known cloud providers or hosting companies."},{"title":"Network audit hostname resolution","prompt":"We're auditing our firewall connection logs and have 20 external IPs we need to identify — do a batch reverse DNS lookup and return their hostnames in the same order so I can match them back to our log entries."},{"title":"Ad fraud IP investigation","prompt":"These 12 IP addresses showed unusually high click rates in our ad campaign — batch reverse-DNS-resolve them and flag any that fail, I want to see if they're residential, datacenter, or unknown."}],"resultDescription":"An ordered array of reverse DNS results matching the input IP list. Each item contains the resolved hostname (PTR record) for the corresponding IP, a per-item error field if resolution failed, and an overall count of failures across the batch. Results are returned in the same order as the input IPs.","failureModes":["Individual IPs with no PTR record return a per-item error with null hostname","Invalid IP address format causes a per-item error for that entry","Batch exceeds 20 IPs may result in a request-level error","Network timeout on upstream DNS resolvers may cause partial failures with non-zero failure count","Payment failure (x402) blocks the entire batch call"],"whenToPreferThis":"Use this endpoint when you need to resolve hostnames for multiple IP addresses (up to 20) in a single call rather than making repeated single-IP lookups. Ideal for log enrichment pipelines, security analysis, network audits, or any workflow where you hold a list of IPs and need their PTR records concurrently. Prefer over the single /dns/reverse endpoint whenever you have 2 or more IPs to resolve in the same operation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:22:01.782Z","isFirstParty":false}