{"uid":"cap_7os-eIevImmyA3m0xp_4C","slug":"ip-listed-on-rbl-jp-857efe6c","name":"ip-listed-on-rbl-jp","description":"Is this IPv4 address listed on rbl jp (all.rbl.jp)? Performs the DNSBL query (reversed octets under all.rbl.jp, via Cloudflare DoH) and returns listed yes/no with the return codes and, where the list publishes one, the reason text. One list, one precise answer. $0.01 per lookup.","url":"https://ip.intel.rallylive.ca/ip/blacklist/rbl-jp?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_GLzePCd1UisAzprBmZRfF","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":"Checks whether an IPv4 address is listed on the rbl.jp DNSBL (all.rbl.jp) and returns listed status, return codes, and reason text","exampleAgentPrompt":"Check if the IP address 203.0.113.42 is listed on rbl.jp — I need to know if it's blacklisted and why.","exampleUseCases":[{"title":"Email server deliverability check","prompt":"Before I send a marketing campaign, can you check whether my mail server's IP 198.51.100.25 is listed on rbl.jp? I need to know if it's flagged and what the reason code says."},{"title":"Spam complaint investigation","prompt":"A customer reported getting spam from IP 203.0.113.77 — can you check if that address is listed on the rbl.jp DNSBL and show me the return code and reason?"},{"title":"Inbound email sender reputation","prompt":"I'm seeing suspicious emails from 192.0.2.10 — is that IP on rbl.jp's blocklist? Tell me the listed status and any reason text they publish."}],"resultDescription":"Returns whether the queried IPv4 address is listed on all.rbl.jp, the DNSBL return/response codes indicating the listing category, and where available the human-readable reason text explaining why the IP was listed.","failureModes":["Invalid or non-routable IPv4 address returns an error","DNS resolution failure via Cloudflare DoH results in lookup error","IPv6 addresses are not supported (IPv4 only)","IP not listed returns a clean negative result with no reason text","Transient DNS timeout may cause lookup failure"],"whenToPreferThis":"Use this endpoint when you specifically need to check an IPv4 address against the rbl.jp (all.rbl.jp) DNSBL — a Japanese-operated blocklist. Prefer this over generic multi-list tools when you need a single, precise answer with the exact return code and reason from this specific list, particularly for email deliverability checks targeting Japanese mail infrastructure or when diagnosing rbl.jp-specific rejections.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:37:37.943Z","isFirstParty":false,"canonicalSlug":"ip-listed-on-rbl-jp-857efe6c"}