{"uid":"cap_civwNh3EacqKby6jMMm2W","slug":"ip-listed-on-spamcop-dnsbl-lookup-34f52522","name":"IP Listed on SpamCop DNSBL Lookup","description":"Is this IPv4 address listed on spamcop (bl.spamcop.net)? Performs the DNSBL query (reversed octets under bl.spamcop.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. $0.01 per lookup.","url":"https://ip.intel.rallylive.ca/ip/blacklist/spamcop?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_L8doj5wX-_FMrUaz0mEdm","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 SpamCop's blocklist (bl.spamcop.net) via a DNSBL DNS query, returning listed status, return codes, and reason text.","exampleAgentPrompt":"Can you check if the IP address 203.0.113.42 is listed on SpamCop's blocklist and tell me whether it's flagged as a spam source along with any reason given?","exampleUseCases":[{"title":"Email deliverability pre-check","prompt":"Before I send our marketing campaign, can you check if our mail server IP 198.51.100.10 is listed on SpamCop so I know if it might get blocked?"},{"title":"Inbound SMTP sender reputation check","prompt":"We're getting suspicious emails from 192.0.2.55 — can you check if that IP is on the SpamCop blacklist and what reason is listed?"},{"title":"Automated abuse investigation","prompt":"I need to know if the IP 203.0.113.77 that's been hitting our contact form is flagged on SpamCop's DNSBL — listed or not, and any return codes you find."}],"resultDescription":"Returns whether the queried IPv4 address is listed on SpamCop's DNSBL (bl.spamcop.net), including the DNSBL return codes and, where published by SpamCop, a human-readable reason text explaining why the IP was listed.","failureModes":["Invalid or non-public IPv4 address provided — may return error or undefined result","DNS resolution failure via Cloudflare DoH — transient network error","IP not found in SpamCop list — returns listed: false with no reason text","Rate limiting or payment failure — returns 402 or access denied"],"whenToPreferThis":"Choose this endpoint when you need a precise, single-list check specifically against SpamCop (bl.spamcop.net) for an IPv4 address, particularly for email deliverability checks or spam source investigation. Prefer this over multi-list aggregators when SpamCop listing status is the specific signal required, or when you want the raw return codes and reason text from SpamCop directly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:41.083Z","isFirstParty":false,"canonicalSlug":"ip-listed-on-spamcop-dnsbl-lookup-34f52522"}