Query the crt.sh certificate transparency log database to enumerate all SSL cert
Query the crt.sh certificate transparency log database to enumerate all SSL certificates ever issued for a domain — returns subdomains discovered, certificate issuers, validity periods, and a risk score flagging wildcard certs, expiring certs, and suspicious issuance patterns.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
925 msmedian answer time
$0.01listed price per call
$0.01price 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
GET https://netintel.dev/cert-transparency/lookup
| Category | Everything else |
|---|---|
| Provider host | netintel.dev |
| 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 |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 925 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"domain": "example.com",
"include_subdomains": true,
"limit": 100
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"domain": {
"description": "Domain name to query certificate transparency logs for (e.g. example.com)",
"type": "string"
},
"include_subdomains": {
"description": "Whether to include subdomain certificates (default: true)",
"type": "boolean"
},
"limit": {
"description": "Maximum number of certificates to return (default: 100, max: 500)",
"type": "number"
}
},
"required": [
"domain"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"certs": {
"type": "array"
},
"domain": {
"type": "string"
},
"expiring_within_30_days": {
"type": "array"
},
"findings": {
"type": "array"
},
"grade": {
"type": "string"
},
"issuers": {
"type": "array"
},
"recently_issued": {
"type": "array"
},
"score": {
"type": "number"
},
"total_certs_found": {
"type": "number"
},
"unique_subdomain_count": {
"type": "number"
},
"unique_subdomains": {
"type": "array"
},
"wildcard_certs": {
"type": "array"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}