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IP Listed on UCEPROTECT Level 2 (dnsbl-2.uceprotect.net)
x402
IP Listed on UCEPROTECT Level 2 (dnsbl-2.uceprotect.net) is a paid API for AI agents from ip.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-13).
Checks whether a given IPv4 address is listed on the UCEPROTECT Level 2 DNSBL (dnsbl-2.uceprotect.net) and returns the listing status, return codes, and reason text if available.
Price / call$0.01
Success—
StatusUnknown
How this service works
Is this IPv4 address listed on uceprotect 2 (dnsbl-2.uceprotect.net)? Performs the DNSBL query (reversed octets under dnsbl-2.uceprotect.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.
Output
Returns whether the queried IPv4 address is listed on UCEPROTECT Level 2 (dnsbl-2.uceprotect.net), including listed yes/no status, DNSBL return codes, and the reason text published by the list if available.
Example use cases
Email deliverability pre-send check
“Before we send out this email campaign, check if our mail server IP 198.51.100.12 is listed on UCEPROTECT Level 2 — I need to know if we're blocked and why.”
Spam complaint IP investigation
“A customer reported getting spam from IP 203.0.113.88 — can you check if it's on the UCEPROTECT 2 DNSBL and pull back the return codes and any reason text?”
New server IP reputation audit
“We just got assigned IP 192.0.2.55 for our new outbound mail server — can you verify it's not currently listed on the UCEPROTECT Level 2 blocklist before we start using it?”
Technical details
Endpoint
GEThttps://ip.intel.rallylive.ca/ip/blacklist/uceprotect-2?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a precise, single-list answer for whether an IPv4 address is on the UCEPROTECT Level 2 blocklist specifically. Prefer this over generic multi-list DNSBL checkers when you need the UCEPROTECT 2 return codes and reason text, or when your email filtering or deliverability workflow specifically references dnsbl-2.uceprotect.net.
Side effects
- Invalid or non-routable IPv4 address provided — lookup may fail or return unexpected results
- Cloudflare DoH query timeout or DNS resolution failure
- IPv6 addresses not supported — endpoint is IPv4-only
- No reason text returned if UCEPROTECT 2 does not publish one for the listing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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