Look up passive DNS resolution history and reputation for a domain or IP address
Look up passive DNS resolution history and reputation for a domain or IP address. For a domain: which IPs it has resolved to over time. For an IP: which hostnames have resolved to it, plus malicious/suspicious vendor detection counts. Call to pivot from an indicator to its infrastructure history during an investigation.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
502 msmedian answer time
$0.1listed price per call
$0.1price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.relayshield.net/v1/payg/ip-intel
| Category | Everything else |
|---|---|
| Provider host | api.relayshield.net |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.1 | 502 ms |
Example input (from the provider)
{
"body": {
"domain": "acme.com"
},
"bodyType": "json",
"discoverable": true,
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"domain": {
"description": "Domain to look up (returns reputation + passive DNS resolution history)",
"type": "string"
},
"ip": {
"description": "Alternative: IP address to look up (returns reputation + reverse passive DNS)",
"type": "string"
}
},
"type": "object"
}
},
"required": [
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"malicious_votes": {
"type": "integer"
},
"queried": {
"type": "string"
},
"query_type": {
"type": "string"
},
"reputation": {
"type": "integer"
},
"resolutions": {
"items": {
"properties": {
"date": {
"type": "string"
},
"ip_address": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"suspicious_votes": {
"type": "integer"
}
},
"type": "object"
},
"ok": {
"type": "boolean"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}