Certificate Summary:

Subject: www.stackoverflow.com
Issuer: E1
Expiration: 2024-04-20 21:31:08 UTC
Key Identifier: D5:E4:AF:85:28:3D:EB:1F:BA:00:50:47:CB:DF:23:BF:F9:4C:D2:E6

Download and Install

Received at FYIcenter.com on: 2024-02-11

Certificate Detailed Information:

Name:
/CN=www.stackoverflow.com

Subject: 
   Common Name (CN): www.stackoverflow.com
   Organizational Unit Name (OU): 
   Organization Name (O): 
   Locality Name (L): 
   State or Province Name (ST): 
   Country Name (C): 
   Email Address: 
Issuer: 
   Common Name (CN): E1
   Organizational Unit Name (OU): 
   Organization Name (O): Let's Encrypt
   Locality Name (L): 
   State or Province Name (ST): 
   Country Name (C): US
   Email Address: 
Valid From: Sun, 21 Jan 2024 21:31:09 +0000 
Valid To: Sat, 20 Apr 2024 21:31:08 +0000 
Serial Number: 0x042D452C18BBE097E84262F66DEDC856A77F 
Hash: e6f9d194 
Version: 2 
Signature Type: ecdsa-with-SHA384 
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 
   extendedKeyUsage:
      TLS Web Server Authentication, TLS Web Client Authentication 
   basicConstraints:
      CA:FALSE 
   subjectKeyIdentifier:
      D5:E4:AF:85:28:3D:EB:1F:BA:00:50:47:CB:DF:23:BF:F9:4C:D2:E6 
   authorityKeyIdentifier:
      keyid:5A:F3:ED:2B:FC:36:C2:37:79:B9:52:30:EA:54:6F:CF:55:CB:2E:AC
 
   authorityInfoAccess:
      OCSP - URI:http://e1.o.lencr.org
CA Issuers - URI:http://e1.i.lencr.org/
 
   subjectAltName:
      DNS:www.stackoverflow.com 
   certificatePolicies:
      Policy: 2.23.140.1.2.1
 
   ct_precert_scts:
      Signed Certificate Timestamp:
    Version   : v1 (0x0)
    Log ID    : A2:E2:BF:D6:1E:DE:2F:2F:07:A0:D6:4E:6D:37:A7:DC:
                65:43:B0:C6:B5:2E:A2:DA:B7:8A:F8:9A:6D:F5:17:D8
    Timestamp : Jan 21 22:31:09.671 2024 GMT
    Extensions: none
    Signature : ecdsa-with-SHA256
                30:46:02:21:00:FE:5E:19:1F:FE:2A:93:73:7D:77:24:
                E3:43:8F:67:6E:EC:09:1C:12:7C:A4:F6:B4:3B:7C:84:
                00:45:22:EF:CA:02:21:00:D9:FC:6E:68:31:19:FF:0A:
                A4:2D:3A:05:E3:3B:68:DA:3D:F3:BD:6E:39:2E:E2:EC:
                1B:7B:3B:9D:E0:5C:D4:8C
Signed Certificate Timestamp:
    Version   : v1 (0x0)
    Log ID    : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2:
                32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B
    Timestamp : Jan 21 22:31:09.693 2024 GMT
    Extensions: none
    Signature : ecdsa-with-SHA256
                30:45:02:21:00:91:39:A7:4A:0C:B3:7F:EF:06:D3:F5:
                87:05:AF:59:73:2E:D3:DA:F2:52:1E:8A:F5:8E:D1:06:
                13:92:A8:0F:AE:02:20:6B:B3:AB:FB:E3:13:E2:0C:BC:
                74:0F:6A:5E:10:2F:FE:6E:7A:C9:AF:6D:BE:BD:4E:13:
                C7:19:04:51:60:7C:1A 

Certificate in PEM Format:

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

Related Certificate(s):

ID      Subject          Issuer           Key Identifier   Relation   
        www.stackover... E1               D5E4AF85283DE... This Cert
        --------------------------------------------------
13314   E1               ISRG Root X2     5AF3ED2BFC36C... Parent Cert

Public Key Detailed Information:

Key Details:
   Type: EC
   Size (bits): 256
   Curve Name: 
prime256v1
   Curve OID: 
1.2.840.10045.3.1.7
   Public key (x): 
d7b680fb2cbabfeacb61b3967de59f1657be618f2b6e70a43493d15746f51fb0
   Public key (y): 
0d5920cc15139f7cffbbdd47694cc711a1c2b0f28122981de6a6d265aec4f7ad

Public Key in PEM Format:

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE17aA+yy6v+rLYbOWfeWfFle+YY8r
bnCkNJPRV0b1H7ANWSDMFROffP+73UdpTMcRocKw8oEimB3mptJlrsT3rQ==
-----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 
22288   EC   256  Public  D5E4AF85283DE... 2024-02-11 Same Key ID