Certificate Summary:

Subject: Root YR
Issuer: ISRG Root X1
Expiration: 2032-09-02 23:59:59 UTC
Key Identifier: DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94

Download and Install

Received at FYIcenter.com on: 2026-06-19

Certificate Detailed Information:

Name:
/C=US/O=ISRG/CN=Root YR

Subject: 
   Common Name (CN): Root YR
   Organizational Unit Name (OU): 
   Organization Name (O): ISRG
   Locality Name (L): 
   State or Province Name (ST): 
   Country Name (C): US
   Email Address: 
Issuer: 
   Common Name (CN): ISRG Root X1
   Organizational Unit Name (OU): 
   Organization Name (O): Internet Security Research Group
   Locality Name (L): 
   State or Province Name (ST): 
   Country Name (C): US
   Email Address: 
Valid From: Wed, 13 May 2026 00:00:00 +0000 
Valid To: Thu, 02 Sep 2032 23:59:59 +0000 
Serial Number: 0xF24B6D17F9D9AD7CB1C9FEA78782699F 
Hash: 05e55783 
Version: 2 
Signature Type: sha256WithRSAEncryption 
Purposes:  
   SSL client 
   SSL server 
   Netscape SSL server 
   S/MIME signing 
   S/MIME encryption 
   CRL signing 
   Any Purpose 
   OCSP helper 
   Time Stamp signing 
Extensions:  
   keyUsage:
      Certificate Sign, CRL Sign 
   extendedKeyUsage:
      TLS Web Server Authentication 
   basicConstraints:
      CA:TRUE 
   subjectKeyIdentifier:
      DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94 
   authorityKeyIdentifier:
      keyid:79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
 
   authorityInfoAccess:
      CA Issuers - URI:http://x1.i.lencr.org/
 
   certificatePolicies:
      Policy: 2.23.140.1.2.1
 
   crlDistributionPoints:
      
Full Name:
  URI:http://x1.c.lencr.org/
 

Certificate in PEM Format:

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Related Certificate(s):

ID      Subject          Issuer           Expiration Key Identifier   Relation   
        Root YR          ISRG Root X1     2032-09-02 DEE75B60D0226D4… This Cert
        --------------------------------------------------
11138   ISRG Root X1     ISRG Root X1     2035-06-04 79B459E67BB6E5E… Parent Cert
11467   ISRG Root X1     DST Root CA X3   2024-09-30 79B459E67BB6E5E… Parent Cert
32436   YR1              Root YR          2028-09-02 1F2F35BE461482C… Child Cert

Public Key Detailed Information:

Key Details:
   Type: RSA
   Size (bits): 4096
   Modulus (n): 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   Public Exponent (e): 65537 (0x010001)

Public Key in PEM Format:

-----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----

Identical or Similar Keys: We found that the public key in this certificate matches key(s) recorded previously.

ID      Type Size Pri/Pub Key Identifier   Date       Comparison 
32439   RSA  4096 Public  DEE75B60D0226D4… 2026-06-19 Same Key ID