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SpamRATS DYNA DNSBL Lookup
x402
SpamRATS DYNA 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 2026-10-13).
Checks whether a given IPv4 address is listed on the SpamRATS DYNA blacklist (dyna.spamrats.com) via DNS-based blackhole list query
Price / call$0.01
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
Email deliverability pre-send check
“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?”
Inbound spam source verification
“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?”
Automated IP reputation triage
“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?”
Technical details
Endpoint
GEThttps://ip.intel.rallylive.ca/ip/blacklist/spamrats-dyna?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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