SSL-Tools

SSL check results of landgraf.fr

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Discover if the webservers of landgraf.fr can be reached through a secure connection.

Summary

JSON Refresh

Report created Thu, 21 May 2026 21:32:26 +0000

We can not guarantee a secure connection to the webserver of landgraf.fr!

Please contact the operator of landgraf.fr and inform him of this problem. This result stays accessible under the following address:

/webservers/landgraf.fr

Servers

Hostname / IP address Certificates Protocol
landgraf.fr
135.181.100.46
 landgraf.fr
HSTS
too short (< 6 months)
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
landgraf.fr
2a01:4f9:c010:d382::1
Results incomplete
not checked
HSTS
not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
1 s

Certificates

First seen at:

CN=landgraf.fr

Certificate chain
  • landgraf.fr
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R13
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • landgraf.fr
Alternative Names
  • landgraf.fr
  • mail.landgraf.fr
  • wws.landgraf.fr
  • www.landgraf.fr
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R13
validity period
Not valid before
2026-05-21
Not valid after
2026-08-19
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
Fingerprints
SHA256
50:1A:FB:81:B2:EE:F0:30:2D:FC:88:1A:D8:16:07:E3:5F:1B:6B:E5:57:46:56:57:54:4A:3E:06:2A:46:D7:46
SHA1
30:54:73:43:F6:69:BD:F3:13:6F:B5:B6:2E:A8:1C:22:0A:2A:B7:00
X509v3 extensions
subjectKeyIdentifier
  • 07:39:F3:09:C2:49:D5:0A:13:70:1E:14:DB:40:F0:98:84:B1:B9:15
authorityKeyIdentifier
  • keyid:E7:AB:9F:0F:2C:33:A0:53:D3:5E:4F:78:C8:B2:84:0E:3B:D6:92:33
authorityInfoAccess
  • CA Issuers - URI:http://r13.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r13.c.lencr.org/11.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB:
  • 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A
  • Timestamp : May 21 10:18:08.844 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:4E:A6:44:3C:0B:78:45:97:67:B2:3F:50:
  • E5:02:CB:A0:6D:4A:BA:BB:08:62:E8:7C:01:A8:C0:5B:
  • 58:F0:3E:99:02:20:5F:E2:AC:D1:4D:A1:E4:74:35:C0:
  • 8D:0C:89:42:26:1B:70:D4:A2:EC:DD:93:47:F2:3D:AA:
  • 90:2F:66:A2:12:41
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A8:26:CB:E3:0A:C6:35:12:46:53:3F:E0:65:F1:4F:19:
  • D9:6E:19:08:13:C4:1D:D9:6D:79:00:B3:12:3C:55:27
  • Timestamp : May 21 10:18:08.982 2026 GMT
  • Extensions: 00:00:05:00:0B:DA:79:49
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:A6:ED:6F:BF:C1:C5:D2:53:D7:4F:FC:
  • 8D:CB:2F:C1:F6:92:5D:37:A0:77:84:4C:C0:E9:E6:B7:
  • 11:F2:7E:57:40:02:21:00:D6:51:85:DD:18:2C:71:5B:
  • D6:1D:64:FC:63:8C:D7:93:FC:83:03:38:02:84:3E:A4:
  • 78:CE:D2:E0:8E:3D:85:DF