{"uid":"cap_QpnQFU6eyp2O-V_IsYXOn","slug":"ip-listed-on-dbl-spamhaus-96b1ff02","name":"ip-listed-on-dbl-spamhaus","description":"Is this IPv4 address listed on dbl spamhaus (dbl.spamhaus.org)? Performs the DNSBL query (reversed octets under dbl.spamhaus.org, 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. $0.01 per lookup.","url":"https://ip.intel.rallylive.ca/ip/blacklist/dbl-spamhaus?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_3evdQH_lAp4XndeiPdT97","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 Spamhaus DBL DNSBL (dbl.spamhaus.org) and returns listing status, return codes, and reason text.","exampleAgentPrompt":"Check if the IP address 203.0.113.42 is listed on the Spamhaus DBL blacklist and tell me whether it's flagged and what reason code came back.","exampleUseCases":[{"title":"Pre-send email deliverability check","prompt":"Before we send our marketing campaign, can you check if our outbound mail server IP 198.51.100.10 is listed on Spamhaus DBL so we know if it'll get blocked?"},{"title":"Inbound connection reputation screening","prompt":"We just got a connection from IP 203.0.113.77 — can you query Spamhaus DBL to see if it's blacklisted and what the return code says?"},{"title":"Incident response IP investigation","prompt":"We're investigating a phishing report and the sender IP is 192.0.2.55 — look it up on the Spamhaus DBL and tell me if it's listed and why."}],"resultDescription":"Returns a yes/no listing status for the queried IPv4 on dbl.spamhaus.org, along with the DNS return code(s) from the DNSBL response and, where published by Spamhaus, a human-readable reason text explaining why the IP is listed.","failureModes":["Invalid or non-public IPv4 address provided (e.g. private ranges, loopback)","DNS resolution failure via Cloudflare DoH resulting in an error response","IP not listed returns a clean 'not listed' result with no return codes","Malformed input causes a 4xx error","Temporary upstream DNSBL unavailability causes lookup failure"],"whenToPreferThis":"Use this endpoint when you need a precise, single-list DNSBL check specifically against Spamhaus DBL (dbl.spamhaus.org) for an IPv4 address, want the raw return codes and reason text Spamhaus publishes, and need a cheap per-lookup ($0.01) pay-as-you-go model rather than a bulk or multi-list aggregated check.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:47.855Z","isFirstParty":false,"canonicalSlug":"ip-listed-on-dbl-spamhaus-96b1ff02"}