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SiteCheck Web Intel – SpamEatingMonkey DNSBL Lookup
x402
SiteCheck Web Intel – SpamEatingMonkey DNSBL Lookup is a paid API for AI agents from api.webintel-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-24).
Checks an IPv4 address against the SpamEatingMonkey DNS blocklist (bl.spameatingmonkey.net) to determine if it is listed as a mail spam source.
Price / call$0.002
Success—
StatusUnknown
How this service works
Checks an IPv4 mail-sending address against the SpamEatingMonkey DNS blocklist (bl.spameatingmonkey.net) through public DNS. A listed address returns its 127.0.0.x return code; an unlisted one returns no record. Listings change often; this is a point-in-time answer.
Output
Returns the DNSBL lookup result for the queried IPv4 address: if listed, returns the 127.0.0.x return code from bl.spameatingmonkey.net indicating the listing category; if not listed, returns no record. This is a point-in-time answer as listings change frequently.
Example use cases
Pre-send mail server reputation check
“Before we send our bulk email campaign, can you check if our outbound mail server IP 203.0.113.45 is currently listed on the SpamEatingMonkey blocklist?”
Investigate suspicious inbound email
“I got a suspicious email and the sending server's IP is 91.108.4.200 — can you look it up on the SpamEatingMonkey DNSBL and tell me if it's flagged as a spam source?”
Automated deliverability monitoring
“Check whether 198.51.100.77 is showing up as listed on SpamEatingMonkey's DNS blocklist so I know if our deliverability is at risk.”
Technical details
Endpoint
GEThttps://api.webintel-api.workers.dev/api/security/spameatingmonkey?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you specifically need to check an IP against the SpamEatingMonkey (bl.spameatingmonkey.net) blocklist, which is widely used in anti-spam filtering for mail servers. Prefer this over generic IP reputation checks when you need a point-in-time DNSBL answer for email deliverability decisions or spam triage. Use alongside CI Army or Tor exit node checks for broader coverage.
Side effects
- Invalid or non-IPv4 input — endpoint expects a valid IPv4 address string
- DNS resolution failure — public DNS temporarily unavailable
- IP not listed — returns empty/no-record response, not an error
- Rate limiting or payment failure — x402 payment must succeed per call
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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