{"uid":"cap_miEaBIngUWOCUj_j6VQ_n","slug":"ip-listed-on-ivmsip-sip-invaluement-com-dnsbl-check-42e952df","name":"IP Listed on ivmsip (sip.invaluement.com) DNSBL Check","description":"Is this IPv4 address listed on ivmsip (sip.invaluement.com)? Performs the DNSBL query (reversed octets under sip.invaluement.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. $0.01 per lookup.","url":"https://ip.intel.rallylive.ca/ip/blacklist/ivmsip?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_ekfTjswqn5H14DGYz0i2E","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 Invaluement SIP spam blacklist (sip.invaluement.com) via DNSBL lookup using Cloudflare DoH, returning listed status, return codes, and reason text.","exampleAgentPrompt":"Check if the IP address 203.0.113.45 is listed on the Invaluement SIP blacklist (sip.invaluement.com) and tell me the return code and reason if it's flagged.","exampleUseCases":[{"title":"Screen inbound SIP call source","prompt":"Is 198.51.100.22 listed on the ivmsip DNSBL? I want to know if this IP is flagged as a SIP spammer on sip.invaluement.com before allowing it to register on my PBX."},{"title":"Email server IP reputation check","prompt":"Can you check whether 203.0.113.77 shows up on the Invaluement ivmsip blacklist and give me the return code and any reason text the list provides?"},{"title":"Investigate suspicious VoIP traffic source","prompt":"I'm seeing a lot of unexpected SIP traffic from 45.33.32.156 — is that IP listed on sip.invaluement.com's DNSBL, and if so, what reason does invaluement give?"}],"resultDescription":"Returns whether the queried IPv4 address is listed on sip.invaluement.com, the specific DNSBL return code(s) associated with the listing, and any human-readable reason text published by the list for that IP.","failureModes":["Invalid or non-routable IPv4 address provided returns an error or undefined result","DNS resolution failure via Cloudflare DoH may cause lookup timeout","IPv6 addresses are not supported (IPv4 only)","IP not listed returns a clean/not-listed result with no reason text","Transient network errors may cause intermittent failures"],"whenToPreferThis":"Use this endpoint when you need a precise, single-list lookup against the Invaluement SIP (sip.invaluement.com) blacklist specifically — ideal for SIP/VoIP spam filtering, telephony security, or when you need the exact return codes and reason text from this particular DNSBL rather than a multi-list aggregate score.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:39:47.721Z","isFirstParty":false,"canonicalSlug":"ip-listed-on-ivmsip-sip-invaluement-com-dnsbl-check-42e952df"}