Certificate Summary:

Subject: YR2
Issuer: Root YR
Expiration: 2028-09-02 23:59:59 UTC
Key Identifier: 40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C

Download and Install

Received at FYIcenter.com on: 2026-08-03

Certificate Detailed Information:

Name:
/C=US/O=Let's Encrypt/CN=YR2

Subject: 
   Common Name (CN): YR2
   Organizational Unit Name (OU): 
   Organization Name (O): Let's Encrypt
   Locality Name (L): 
   State or Province Name (ST): 
   Country Name (C): US
   Email Address: 
Issuer: 
   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: 
Valid From: Wed, 03 Sep 2025 00:00:00 +0000 
Valid To: Sat, 02 Sep 2028 23:59:59 +0000 
Serial Number: 104661869709039935805224238423219745561 
Hash: 74303716 
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:
      Digital Signature, Certificate Sign, CRL Sign 
   extendedKeyUsage:
      TLS Web Server Authentication 
   basicConstraints:
      CA:TRUE, pathlen:0 
   subjectKeyIdentifier:
      40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C 
   authorityKeyIdentifier:
      keyid:DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
 
   authorityInfoAccess:
      CA Issuers - URI:http://yr.i.lencr.org/
 
   certificatePolicies:
      Policy: 2.23.140.1.2.1
 
   crlDistributionPoints:
      
Full Name:
  URI:http://yr.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   
        YR2              Root YR          2028-09-02 40152D2679ED322… This Cert
        --------------------------------------------------
32438   Root YR          ISRG Root X1     2032-09-02 DEE75B60D0226D4… Parent Cert
32471   x.com            YR2              2026-10-26 5A004DCA10050CC… Child Cert

Public Key Detailed Information:

Key Details:
   Type: RSA
   Size (bits): 2048
   Modulus (n): 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   Public Exponent (e): 65537 (0x010001)

Public Key in PEM Format:

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2dC8cAaaaofOJbqjHq1f
3ni/310O5i0EL9S56VimW8rxqcesIegH57JQJxensE5HBwPoEjqAb5tw35tOgLho
hfikbreHwHKMKpwEEAlvfPkDz/3jr/8LoOyMpODZDsX9iOoNn+eU+pyaDkyxXLpH
kavNCRkBGGp/nTxa/ThlIECtoRioDZFvO6WqabDgLlCXK6GIUbeblIrOKmmYq3or
Hrt9oMwyTQQIirbL3eh1+L9uW6ZETXEvwfxrXPZFW1KQ/tjyz8XXot04pueZOLXw
BF8A9qsoj08a0zaupTfgDK+YNnNXTapDk8I8Xlei+ZaT9axomLy50Wj5TqsmUT1v
uQIDAQAB
-----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 
32474   RSA  2048 Public  40152D2679ED322… 2026-08-03 Same Key ID