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IP Listed on Abuse.ch Spamhaus DROP DNSBL Lookup
x402
IP Listed on Abuse.ch Spamhaus DROP DNSBL Lookup is a paid API for AI agents from ip.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-12).
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.
Price / call$0.01
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
Block malicious traffic at the gateway
“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.”
Email deliverability pre-flight check
“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?”
Security incident triage
“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?”
Technical details
Endpoint
GEThttps://ip.intel.rallylive.ca/ip/blacklist/abuse-ch-spamhaus-drop?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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