{"uid":"cap_wazL1Do5Chkit94ZfLLe-","slug":"ip-listed-on-abuse-ch-spamhaus-drop-dnsbl-lookup-c03e0535","name":"IP Listed on Abuse.ch Spamhaus DROP DNSBL Lookup","description":"Is this IPv4 address listed on abuse ch spamhaus drop (drop.spamhaus.org)? Performs the DNSBL query (reversed octets under drop.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. $0.01 per lookup.","url":"https://ip.intel.rallylive.ca/ip/blacklist/abuse-ch-spamhaus-drop?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_4aNpFUtvL9jTbV0vKCsNy","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 DROP blocklist (drop.spamhaus.org) via a DNSBL query using Cloudflare DoH, returning listed status and reason codes.","exampleAgentPrompt":"Can you check if the IP address 185.220.101.45 is listed on the Spamhaus DROP blocklist and tell me the return codes and any reason given?","exampleUseCases":[{"title":"Block malicious traffic at the gateway","prompt":"Before allowing this inbound connection from 91.108.4.0, check whether it's listed on the Spamhaus DROP blocklist so I can decide whether to block it."},{"title":"Email deliverability pre-flight check","prompt":"We're about to send a campaign from our mail server at 198.51.100.22 — can you check if that IP is on the Spamhaus DROP list so I know if we have a deliverability problem?"},{"title":"Security incident triage","prompt":"I'm investigating suspicious traffic from 5.188.86.172 — can you check if it's listed on Spamhaus DROP and give me the reason code if there is one?"}],"resultDescription":"Returns a yes/no indication of whether the IPv4 address is listed on the Spamhaus DROP blocklist, along with the DNSBL return codes (A record values) and, where available, a human-readable reason text explaining why the address is listed.","failureModes":["Invalid or malformed IPv4 address returns an error","IPv6 addresses are not supported (DROP list is IPv4 only)","DNS resolution failure via Cloudflare DoH may cause lookup errors","Private or reserved IP ranges may return unexpected results","Transient network errors may cause lookup timeouts"],"whenToPreferThis":"Use this endpoint when you need a precise, single-list lookup against Spamhaus DROP specifically — the list covering the most dangerous hijacked or leased IP ranges used for spam and malware. Prefer this over generic multi-list DNSBL checks when you want authoritative Spamhaus DROP verdicts with reason codes, or when your security pipeline requires per-list accountability rather than aggregate scoring.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:50:03.848Z","isFirstParty":false,"canonicalSlug":"ip-listed-on-abuse-ch-spamhaus-drop-dnsbl-lookup-c03e0535"}