lencr.org is a critical infrastructure domain operated by the Internet Security Research Group (ISRG) for the Let's Encrypt Certificate Authority. It hosts Online Certificate Status Protocol (OCSP) responders, Certificate Revocation Lists (CRLs), and Authority Information Access (AIA) data required for validating SSL/TLS certificates.
lencr.org
Very High Traffic Tranco #231
Community Intelligence
0/20+
Messages are published to the community portal.
Investigate a specific URL
Recent Threat Analysis
URLert analyzed recent scan activity for lencr.org and found 1 result.
| Status | Target URL | Type | Time |
|---|---|---|---|
| Safe | https://x1.c.lencr.org/ | 2w ago |
Network Infrastructure
Historical and current IP address mappings for this domain.
| IP Address / Infrastructure | Status | Subdomains | Last Seen |
|---|---|---|---|
AMAZON-AES - Amazon.com, Inc. (AS14618) | Active | lencr.org | Today |
AMAZON-AES - Amazon.com, Inc. (AS14618) | Active | lencr.org | Today |
AMAZON-AES - Amazon.com, Inc. (AS14618)
Active
lencr.org
Seen Today
AMAZON-AES - Amazon.com, Inc. (AS14618)
Active
lencr.org
Seen Today
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Developer API
Integrate Domain Intelligence
Access this classification data programmatically via our API.
GET /api/v1/classify?domain=lencr.org
{
"domain": "lencr.org",
"confidence": "high",
"category": {
"purpose": "cloud_infrastructure",
"specialization": "PKI Infrastructure"
},
"identity": {
"headline": "Infrastructure domain for Let's Encrypt (OCSP/CRL)",
"summary": "lencr.org is a critical infrastructure domain operated by the Internet Security Research Group (ISRG) for the Let's Encrypt Certificate Authority. It hosts Online Certificate Status Protocol (OCSP) responders, Certificate Revocation Lists (CRLs), and Authority Information Access (AIA) data required for validating SSL/TLS certificates.",
"operator": "Internet Security Research Group (ISRG)",
"parent_entity": null,
"topics": [
"PKI",
"SSL/TLS",
"OCSP",
"Certificate Authority",
"Internet Security"
]
},
"functions": {
"is_ugc_platform": false,
"is_file_host": false,
"is_url_shortener": false,
"is_public_idp": false,
"is_crypto_platform": false,
"allows_user_subdomains": false,
"is_form_builder": false,
"is_document_host": false
},
"facts": {
"registered_date": "2020-06-29T00:00:00Z",
"rank": 231,
"hosting_provider": "AMAZON-AES - Amazon.com, Inc."
}
}