{"uid":"cap_D6x5YmVRvM0Gr7vDZ-iS_","slug":"ip-listed-on-truncate-dnsbl-11c11c61","name":"IP Listed on Truncate DNSBL","description":"Is this IPv4 address listed on truncate (truncate.gbudb.net)? Performs the DNSBL query (reversed octets under truncate.gbudb.net, 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. $0.01 per lookup.","url":"https://ip.intel.rallylive.ca/ip/blacklist/truncate?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_GGOHFNk34ksrbJmLLZHqt","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 a given IPv4 address is listed on the Truncate DNSBL (truncate.gbudb.net) via Cloudflare DoH and returns listed status, return codes, and reason text.","exampleAgentPrompt":"Can you check if the IP address 192.0.2.45 is listed on the Truncate DNSBL blacklist and tell me the return code and reason if it is?","exampleUseCases":[{"title":"Pre-send email deliverability check","prompt":"Before I send this marketing campaign, can you check if our outbound mail server IP 203.0.113.12 is listed on the Truncate DNSBL? I need to know the listing status and any reason code."},{"title":"Investigating spam complaint source","prompt":"We got a spam complaint and suspect the sending IP 198.51.100.77 is blacklisted — can you check if it's on the Truncate blocklist and give me the return codes and reason?"},{"title":"New server IP vetting","prompt":"I'm about to configure a new email server at 192.0.2.100 — can you verify it's not listed on Truncate's DNSBL before I go live, including any reason text if it shows up?"}],"resultDescription":"Returns a yes/no listed flag indicating whether the IPv4 address appears on the Truncate DNSBL, along with any DNS return codes from the blocklist and, where published, a human-readable reason text explaining why the IP is listed.","failureModes":["Invalid or non-public IPv4 address provided — no meaningful DNSBL result","DNS resolution failure via Cloudflare DoH — service may return an error or timeout","IP not listed — returns listed=false with no return codes or reason","Temporary upstream DNSBL unavailability — may result in lookup failure"],"whenToPreferThis":"Choose this endpoint when you need a precise, single-list check against the Truncate DNSBL specifically (truncate.gbudb.net), rather than a broad multi-list reputation scan. It is ideal when you want an authoritative yes/no answer with return codes and reason text from that specific list, and when cost-efficiency ($0.01 per lookup) matters for high-volume checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:46:21.464Z","isFirstParty":false,"canonicalSlug":"ip-listed-on-truncate-dnsbl-11c11c61"}