SSL-Tools

SSL check results of dq-coaching.de

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Discover if the webservers of dq-coaching.de can be reached through a secure connection.

Summary

JSON Refresh

Report created Wed, 15 Oct 2025 19:52:20 +0000

The webservers of dq-coaching.de can be reached through a secure connection.

Servers

Hostname / IP address Certificates Protocol
dq-coaching.de
152.53.230.179
 dq-coaching.de
HSTS
unexpected EOF
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Certificates

First seen at:

CN=dq-coaching.de

Certificate chain
  • dq-coaching.de
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
      • R12
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • dq-coaching.de
Alternative Names
  • dq-coaching.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R12
validity period
Not valid before
2025-09-26
Not valid after
2025-12-25
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
06:4B:2A:4C:BA:38:0F:99:FE:02:3D:96:74:92:82:A8:60:18:58:C3:64:F4:FD:BE:66:B5:9E:08:A5:6A:96:A7
SHA1
0D:04:E1:87:41:B7:89:31:47:35:1C:E4:64:09:87:E5:63:43:81:60
X509v3 extensions
subjectKeyIdentifier
  • 8E:11:8B:2A:DD:F3:FC:DA:D4:FE:72:B3:F7:8A:BF:78:31:92:71:95
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/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r12.c.lencr.org/18.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:
  • F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A
  • Timestamp : Sep 26 07:42:44.012 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:39:63:B7:B9:13:01:C9:9E:2C:27:E8:0A:
  • 55:A7:38:B2:F3:6F:99:34:16:C1:CC:70:C7:15:29:DD:
  • 1B:E8:B9:D0:02:21:00:E4:B2:2E:F6:5B:44:90:0C:4C:
  • 55:0A:85:1B:3E:32:98:2F:D3:F1:FA:11:5C:F8:E9:A6:
  • F0:39:51:0C:1B:A3:C3
  • 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 : Sep 26 07:42:46.033 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:5A:BC:C3:C8:30:E5:83:2B:47:D8:7C:EB:
  • 06:9D:3A:F9:43:A8:A6:20:2B:6A:4E:83:ED:D2:D4:60:
  • 63:3B:17:DB:02:21:00:CD:6C:4E:17:FE:5C:B8:7A:0E:
  • 3E:42:C8:94:1C:12:1F:55:2D:9B:F8:CE:45:8E:8C:BE:
  • E9:2B:56:98:7C:72:83