Certificate Summary:

Subject: x.com
Issuer: R12
Expiration: 2026-03-09 03:06:00 UTC
Key Identifier: B3:06:53:42:D2:29:54:8B:65:DB:5B:04:E8:6F:93:61:35:62:61:18

Download and Install

Received at FYIcenter.com on: 2025-12-20

Certificate Detailed Information:

Name:
/CN=x.com

Subject: 
   Common Name (CN): x.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): R12
   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: Tue, 09 Dec 2025 03:06:01 +0000 
Valid To: Mon, 09 Mar 2026 03:06:00 +0000 
Serial Number: 0x068C34B191CE05C5AE13E17A3CE5A7CE4338 
Hash: 213b0f03 
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, Key Encipherment 
   extendedKeyUsage:
      TLS Web Server Authentication, TLS Web Client Authentication 
   basicConstraints:
      CA:FALSE 
   subjectKeyIdentifier:
      B3:06:53:42:D2:29:54:8B:65:DB:5B:04:E8:6F:93:61:35:62:61:18 
   authorityKeyIdentifier:
      keyid:00:B5:29:F2:2D:8E:6F:31:E8:9B:4C:AD:78:3E:FA:DC:E9:0C:D1:D2
 
   authorityInfoAccess:
      CA Issuers - URI:http://r12.i.lencr.org/
 
   subjectAltName:
      DNS:*.twitter.com, DNS:*.twitterintegration.com, DNS:*.x.com, DNS:t.co, DNS:twitter.com, DNS:x.com 
   certificatePolicies:
      Policy: 2.23.140.1.2.1
 
   crlDistributionPoints:
      
Full Name:
  URI:http://r12.c.lencr.org/57.crl
 
   ct_precert_scts:
      Signed Certificate Timestamp:
    Version   : v1 (0x0)
    Log ID    : 49:9C:9B:69:DE:1D:7C:EC:FC:36:DE:CD:87:64:A6:B8:
                5B:AF:0A:87:80:19:D1:55:52:FB:E9:EB:29:DD:F8:C3
    Timestamp : Dec  9 04:04:31.686 2025 GMT
    Extensions: none
    Signature : ecdsa-with-SHA256
                30:46:02:21:00:E1:40:64:58:DC:33:FF:9F:1F:E1:54:
                E4:C7:74:CE:F2:79:5E:D5:B3:73:47:CA:5C:67:3B:5F:
                A0:6F:C4:49:72:02:21:00:9F:0F:EA:54:85:93:96:F2:
                8E:DA:3B:99:19:63:93:45:34:AC:95:E1:E5:D0:39:CE:
                67:87:AA:D5:C9:7E:13:C7
Signed Certificate Timestamp:
    Version   : v1 (0x0)
    Log ID    : 0E:57:94:BC:F3:AE:A9:3E:33:1B:2C:99:07:B3:F7:90:
                DF:9B:C2:3D:71:32:25:DD:21:A9:25:AC:61:C5:4E:21
    Timestamp : Dec  9 04:04:31.683 2025 GMT
    Extensions: none
    Signature : ecdsa-with-SHA256
                30:46:02:21:00:C0:B7:73:42:5E:C5:A4:17:BA:A2:6F:
                6E:33:69:C1:31:26:95:F2:CE:8D:F6:D5:6E:C3:CE:DA:
                E0:B3:87:0B:C2:02:21:00:B5:1E:FA:E1:80:C9:C9:A0:
                F4:CE:D4:F6:04:A6:AC:0E:54:AC:A1:3C:58:E0:7F:F4:
                4E:21:AB:4B:E1:17:88:AF 

Certificate in PEM Format:

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

Related Certificate(s):

ID      Subject          Issuer           Expiration Key Identifier   Relation   
        x.com            R12              2026-03-09 B3065342D229548… This Cert
        --------------------------------------------------
32025   R12              ISRG Root X1     2027-03-12 00B529F22D8E6F3… Parent Cert
29755   x.com            E6               2025-09-23 5C182144CE7525B… Same Subject
32324   x.com            R13              2026-04-23 56C2DD1A2C121F4… Same Subject

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApHMOWhzX4K4R9XR8YGdk
hdZhtSrxLlCGQRjAx4YUZ/e0T31kVPRSn2p2+Zc2KMeRfaXNdqmvfWrsvQ16KuZm
UAUm46PK+YBtw//hmq7SXN7wFsfFtUtZaMgCCqt2XhW2YYsDTERJ78AkJpswfKTP
sDk75J/H/VKmw/4ZwgwPUVG2ZcK2ombEGMFSPWJzhfR7W7M410wbPZGiIVFUac2W
y4FENtdPHJNORtK5d9wbjQn/3j4JdbLk4ocCEN8/hqEliu/B5dQu7XTaLcOvwC71
QjXZm55TrSR/4pPmKo1LmK+B+8N15359c4CNpyX5Ahk+9aoJ9wkHjNO7SiOMqH7V
cwIDAQAB
-----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 
32291   RSA  2048 Public  B3065342D229548… 2025-12-20 Same Key ID