*.usps.com Certificate - 49AB58773D54C618BE7052CD4BB3D15CB6921B96

A

Certificate Summary:

Subject: *.usps.com
Issuer: DigiCert TLS RSA SHA256 2020 CA1
Expiration: 2026-01-23 23:59:59 UTC
Key Identifier: 49:AB:58:77:3D:54:C6:18:BE:70:52:CD:4B:B3:D1:5C:B6:92:1B:96

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Received at FYIcenter.com on: 2025-09-23

Certificate Detailed Information:

Name:
/C=US/ST=District of Columbia/L=Washington/O=United States Postal Servic
e/CN=*.usps.com

Subject: 
   Common Name (CN): *.usps.com
   Organizational Unit Name (OU): 
   Organization Name (O): United States Postal Service
   Locality Name (L): Washington
   State or Province Name (ST): District of Columbia
   Country Name (C): US
   Email Address: 
Issuer: 
   Common Name (CN): DigiCert TLS RSA SHA256 2020 CA1
   Organizational Unit Name (OU): 
   Organization Name (O): DigiCert Inc
   Locality Name (L): 
   State or Province Name (ST): 
   Country Name (C): US
   Email Address: 
Valid From: Thu, 23 Jan 2025 00:00:00 +0000 
Valid To: Fri, 23 Jan 2026 23:59:59 +0000 
Serial Number: 17667116284210174680132165142557266052 
Hash: 9113153d 
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:  
   authorityKeyIdentifier:
      keyid:B7:6B:A2:EA:A8:AA:84:8C:79:EA:B4:DA:0F:98:B2:C5:95:76:B9:F4
 
   subjectKeyIdentifier:
      49:AB:58:77:3D:54:C6:18:BE:70:52:CD:4B:B3:D1:5C:B6:92:1B:96 
   subjectAltName:
      DNS:*.usps.com, DNS:usps.com 
   certificatePolicies:
      Policy: 2.23.140.1.2.2
  CPS: http://www.digicert.com/CPS
 
   keyUsage:
      Digital Signature, Key Agreement 
   extendedKeyUsage:
      TLS Web Server Authentication, TLS Web Client Authentication 
   crlDistributionPoints:
      
Full Name:
  URI:http://crl3.digicert.com/DigiCertTLSRSASHA2562020CA1-4.crl

Full Name:
  URI:http://crl4.digicert.com/DigiCertTLSRSASHA2562020CA1-4.crl
 
   authorityInfoAccess:
      OCSP - URI:http://ocsp.digicert.com
CA Issuers - URI:http://cacerts.digicert.com/DigiCertTLSRSASHA2562020CA1-1.crt
 
   basicConstraints:
      CA:FALSE 
   ct_precert_scts:
      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 : Jan 23 14:20:52.562 2025 GMT
    Extensions: none
    Signature : ecdsa-with-SHA256
                30:45:02:20:1D:A3:8C:2B:9E:B7:91:AB:E6:1D:F9:5A:
                BD:39:F0:DC:82:BC:D7:E9:AB:E6:C7:DA:F7:41:09:2E:
                BC:9E:18:11:02:21:00:DC:0E:75:80:7B:55:11:44:5D:
                02:88:CB:96:DC:F0:81:61:D2:E1:F4:96:91:08:92:19:
                6B:EC:64:1B:53:F2:0E
Signed Certificate Timestamp:
    Version   : v1 (0x0)
    Log ID    : 64:11:C4:6C:A4:12:EC:A7:89:1C:A2:02:2E:00:BC:AB:
                4F:28:07:D4:1E:35:27:AB:EA:FE:D5:03:C9:7D:CD:F0
    Timestamp : Jan 23 14:20:52.626 2025 GMT
    Extensions: none
    Signature : ecdsa-with-SHA256
                30:46:02:21:00:C6:47:2D:3D:2D:6A:93:54:93:3E:0C:
                70:4F:4B:2E:6C:6D:61:4C:1E:56:09:C3:E5:64:9B:24:
                C1:ED:98:D1:10:02:21:00:87:C2:EE:D2:05:86:1D:1E:
                AF:51:E4:F6:B6:78:9F:AF:6B:E2:8E:06:F7:51:2C:BF:
                5F:23:00:1F:D8:12:3D:DC
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 : Jan 23 14:20:52.640 2025 GMT
    Extensions: none
    Signature : ecdsa-with-SHA256
                30:45:02:20:14:E6:FE:78:E8:19:FF:86:00:86:B2:AE:
                D6:08:3C:76:C3:25:C0:FF:26:47:E4:6F:63:A8:97:62:
                A7:F4:05:AF:02:21:00:C0:52:43:80:DE:82:FC:98:E8:
                72:71:DA:2B:45:E9:42:AD:88:8D:57:D6:76:F2:BE:22:
                9C:B2:F6:B2:4F:D3:C4

Certificate in PEM Format:

Related Certificate(s):

ID      Subject          Issuer           Expiration Key Identifier   Relation   
        *.usps.com       DigiCert TLS RS… 2026-01-23 49AB58773D54C61… This Cert
        --------------------------------------------------
9773    DigiCert TLS RS… DigiCert Global… 2030-09-23 B76BA2EAA8AA848… Parent Cert
12950   DigiCert TLS RS… DigiCert Global… 2031-04-13 B76BA2EAA8AA848… Parent Cert
806     *.usps.com       Cybertrust Publ… 2014-03-25 17B464889641371… Same Subject

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): 
c1763b810b1eaf99a814c4ecc292a482d5000fe9af50c7858e940f4fa7ac1b7b
   Public key (y): 
ae56d7f51d21a8f9d2052e4a2efe8eff3990d9d7b18e3be99186c09ebc9e12a7

Public Key in PEM Format:

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEwXY7gQser5moFMTswpKkgtUAD+mv
UMeFjpQPT6esG3uuVtf1HSGo+dIFLkou/o7/OZDZ17GOO+mRhsCevJ4Spw==
-----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 
32126   EC   256  Public  49AB58773D54C61… 2025-09-23 Same Key ID

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