{"uid":"cap_X9jEPISyOJcyPEnqMwjyC","slug":"spamrats-dyna-dnsbl-lookup-516c6555","name":"SpamRATS DYNA DNSBL Lookup","description":"Is this IPv4 address listed on spamrats dyna (dyna.spamrats.com)? Performs the DNSBL query (reversed octets under dyna.spamrats.com, 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. $0.01 per lookup.","url":"https://ip.intel.rallylive.ca/ip/blacklist/spamrats-dyna?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_S9p1AYst-Avv0F-ZDV0cN","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 SpamRATS DYNA blacklist (dyna.spamrats.com) via DNS-based blackhole list query","exampleAgentPrompt":"Can you check if the IP address 203.0.113.45 is listed on the SpamRATS DYNA blacklist and tell me whether it's flagged and why?","exampleUseCases":[{"title":"Email deliverability pre-send check","prompt":"Before I send out this email campaign, can you check if our outbound mail server IP 198.51.100.22 is listed on the SpamRATS DYNA blacklist so I know if we have a deliverability problem?"},{"title":"Inbound spam source verification","prompt":"I'm getting suspicious emails from 203.0.113.77 — can you check if that IP is flagged on the SpamRATS dynamic IP blacklist and what reason they give?"},{"title":"Automated IP reputation triage","prompt":"We just received a connection from 192.0.2.88 on our mail server — can you quickly look it up on the SpamRATS DYNA list and tell me if it's blacklisted and what the return code is?"}],"resultDescription":"Returns whether the queried IPv4 address is listed on the SpamRATS DYNA blacklist, including the DNSBL return codes and, when available, the human-readable reason text explaining why the IP was listed.","failureModes":["Invalid or non-public IPv4 address returns an error or unlisted result","DNS resolution failure via Cloudflare DoH returns an error","IPv6 addresses are not supported","Rate limiting or payment failure returns a 402 or error response"],"whenToPreferThis":"Choose this endpoint when you need a fast, single-list authoritative check specifically against SpamRATS DYNA — which focuses on dynamically assigned IP ranges commonly associated with residential or ISP-assigned addresses used for spam. Prefer this over generic multi-list blacklist checkers when you want precise, isolated SpamRATS DYNA results with return codes and reason text rather than an aggregate score.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:48.165Z","isFirstParty":false,"canonicalSlug":"spamrats-dyna-dnsbl-lookup-516c6555"}