lencr.org

Trusted High Traffic Tranco #182

lencr.org operates primarily as a cloud infrastructure provider, focusing on pki infrastructure. 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. It is operated by Internet Security Research Group (ISRG).

Beyond its core function, the ecosystem extends into corporate websites, providing a broader range of services.

Industry Category

Cloud Infrastructure

Cloud computing and infrastructure services.

Related Industries

Related Topics

PKISSL/TLSOCSPCertificate AuthorityInternet Security

Highly Established

lencr.org is a well-established platform operated by Internet Security Research Group (ISRG). Top 1,000 global website, 5 years old, high traffic. Standard web safety practices apply.

Top 1,000 global website5 years oldhigh traffic
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Recent Threat Analysis

URLert analyzed recent scan activity for lencr.org and found 1 result.

Developer API

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Access this classification data programmatically via our API.

GET /api/v1/classify?domain=lencr.org
{
  "domain": "lencr.org",
  "state": "developed",
  "stability": "permanent",
  "confidence": "high",
  "category": {
    "purpose": "cloud_infrastructure",
    "specialization": "PKI Infrastructure",
    "secondary_purposes": [
      "corporate_website"
    ]
  },
  "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": {
    "created_at": "2020-06-29",
    "rank": 182,
    "hosting_provider": "AMAZON-AES"
  }
}

Hosting

AMAZON-AES

Registered

Jun 29, 2020

Last Updated

Jan 9, 2026

Domain data sourced from WHOIS, Tranco rankings, and URLert's classification engine.