Certificate Summary:

Subject: ftp.gnu.org
Issuer: R11
Expiration: 2025-07-04 02:52:29 UTC
Key Identifier: 56:64:6C:1B:48:80:11:45:C3:EB:26:09:E4:E3:A8:75:BF:05:E3:C8

Download and Install

Received at FYIcenter.com on: 2025-05-25

Certificate Detailed Information:

Name:
/CN=ftp.gnu.org

Subject: 
   Common Name (CN): ftp.gnu.org
   Organizational Unit Name (OU): 
   Organization Name (O): 
   Locality Name (L): 
   State or Province Name (ST): 
   Country Name (C): 
   Email Address: 
Issuer: 
   Common Name (CN): R11
   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: Sat, 05 Apr 2025 02:52:30 +0000 
Valid To: Fri, 04 Jul 2025 02:52:29 +0000 
Serial Number: 0x058C5273C575E656FD21E4E2D2A1C1FE6039 
Hash: acb51158 
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:
      56:64:6C:1B:48:80:11:45:C3:EB:26:09:E4:E3:A8:75:BF:05:E3:C8 
   authorityKeyIdentifier:
      keyid:C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
 
   authorityInfoAccess:
      OCSP - URI:http://r11.o.lencr.org
CA Issuers - URI:http://r11.i.lencr.org/
 
   subjectAltName:
      DNS:alpha.gnu.org, DNS:ftp.gnu.org 
   certificatePolicies:
      Policy: 2.23.140.1.2.1
 
   crlDistributionPoints:
      
Full Name:
  URI:http://r11.c.lencr.org/58.crl
 
   ct_precert_scts:
      Signed Certificate Timestamp:
    Version   : v1 (0x0)
    Log ID    : ED:3C:4B:D6:E8:06:C2:A4:A2:00:57:DB:CB:24:E2:38:
                01:DF:51:2F:ED:C4:86:C5:70:0F:20:DD:B7:3E:3F:E0
    Timestamp : Apr  5 03:51:01.101 2025 GMT
    Extensions: none
    Signature : ecdsa-with-SHA256
                30:44:02:20:42:E7:A6:D1:42:20:D5:6A:5F:32:CF:0E:
                17:3A:92:87:54:11:8B:BD:89:3B:F6:3B:61:55:FF:43:
                49:D9:C8:B9:02:20:4B:5C:2B:0E:74:A2:9C:59:2D:A2:
                2F:EB:9A:55:73:2E:3A:5C:12:95:12:C0:6C:D8:0C:D7:
                36:05:13:17:A1:4E
Signed Certificate Timestamp:
    Version   : v1 (0x0)
    Log ID    : AF:18:1A:28:D6:8C:A3:E0:A9:8A:4C:9C:67:AB:09:F8:
                BB:BC:22:BA:AE:BC:B1:38:A3:A1:9D:D3:F9:B6:03:0D
    Timestamp : Apr  5 03:51:01.338 2025 GMT
    Extensions: none
    Signature : ecdsa-with-SHA256
                30:45:02:20:14:62:95:8F:9F:BF:A6:56:A5:CA:99:83:
                43:AA:EC:F5:D3:BD:52:25:4A:1C:28:4E:C7:98:36:A1:
                6C:51:A5:5B:02:21:00:81:C5:B4:D2:76:B4:4C:59:9B:
                E0:5F:73:3A:AF:D8:AE:D6:E7:2F:90:62:0E:E4:DB:30:
                F5:FB:34:4B:04:0B:DE 

Certificate in PEM Format:

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

Related Certificate(s):

ID      Subject          Issuer           Expiration Key Identifier   Relation   
        ftp.gnu.org      R11              2025-07-04 56646C1B4880114… This Cert
        --------------------------------------------------
23346   R11              ISRG Root X1     2027-03-12 C5CF46A4EAF4C3C… Parent Cert
31983   ftp.gnu.org      R11              2025-11-01 C271B3F275B9C64… 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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuFxSo0XDhyPeBpX9bo+e
/8oyWuDiouBvBG2RR2go2QtY5IIN3YibsfZZVSSM1kJkuK7kMnkpmNwToCwDLBxs
og1RFHPBuBMeJ6Bk3ld/Ydwi3aSvk8kmkPb+eZAlcPUut9UeM/4PU2fP4ZildTJB
OEiNwW1BCNdK/oCi2wLhi+hS2oBhHPpsTdMMKdiUavg/8+QdWuPKGOMhS0lGECSp
pHmXB986JDgV3/rDTMgJETNRBEpdPxWpgmK0vxU5bW8TwtjUJx9ulQ8X14Lkg4+0
vH5D7/njET1vGu5Uoh21sIH+Lke8/tiUCqAYWTCcvFcdh2pVhqDgFIk2/soKoERG
IQIDAQAB
-----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 
27767   RSA  2048 Public  56646C1B4880114… 2025-05-25 Same Key ID