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SSL check results of auth.uni-oldenburg.de

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Discover if the webservers of auth.uni-oldenburg.de can be reached through a secure connection.

Summary

JSON Refresh

Report created Wed, 17 Sep 2025 18:10:03 +0000

The webservers of auth.uni-oldenburg.de can be reached through a secure connection.

Servers

Hostname / IP address Certificates Protocol
auth.uni-oldenburg.de
134.106.87.94
 auth.uni-oldenburg.de
HSTS
about 2 years
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
auth.uni-oldenburg.de
2001:638:705:3f15::94
 auth.uni-oldenburg.de
HSTS
about 2 years
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Certificates

First seen at:

CN=auth.uni-oldenburg.de

Certificate chain
  • auth.uni-oldenburg.de
    • remaining
    • 384 bit
    • ecdsa-with-SHA384
      • E5
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • auth.uni-oldenburg.de
Alternative Names
  • auth.uni-oldenburg.de
  • auth.uol.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E5
validity period
Not valid before
2025-08-20
Not valid after
2025-11-18
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
25:DE:03:79:C2:BC:DE:4F:6A:52:67:0F:75:91:34:12:20:07:FB:E0:2B:6A:88:96:79:EC:0D:31:57:F3:93:9D
SHA1
E1:65:DF:12:AA:85:CE:E8:86:00:F6:B5:51:BB:85:29:D7:A0:A4:0F
X509v3 extensions
subjectKeyIdentifier
  • 02:1C:CA:37:FE:DB:BF:85:52:81:E8:0F:67:16:5C:15:20:B9:97:10
authorityKeyIdentifier
  • keyid:9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
authorityInfoAccess
  • CA Issuers - URI:http://e5.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e5.c.lencr.org/122.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
  • 22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
  • Timestamp : Aug 20 05:05:37.355 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:F8:05:31:13:25:12:10:1E:09:AE:44:
  • 84:6E:16:45:78:D3:EB:19:71:48:62:73:B4:EC:BD:27:
  • 0D:8B:6F:DC:23:02:21:00:B3:98:8F:8E:16:17:2F:3D:
  • A9:21:66:10:62:71:3B:F4:EF:6F:22:E4:9E:FF:AD:B3:
  • C7:D7:CE:D6:05:17:52:EB
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
  • 3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
  • Timestamp : Aug 20 05:05:37.394 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:59:49:3D:8C:CF:B7:E3:57:B7:F3:28:AC:
  • BD:8B:CE:5E:60:2D:61:CE:F8:FF:EA:85:8A:A5:16:B7:
  • 63:5B:66:C1:02:20:62:89:50:69:5A:DC:DB:D6:17:53:
  • 93:42:8A:8B:D0:12:F3:B5:F8:FA:AF:FC:56:08:C8:83:
  • A6:EB:19:AE:E9:3B