SSL-Tools

SSL check results of nordlub.de

NEW You can also bulk check multiple servers.

Discover if the mail servers for nordlub.de can be reached through a secure connection.

To establish a secure connection a mail server has to offer STARTTLS (SSL), a trustworthy SSL certificate, support for the Diffie-Hellman-Algorithm to guarantee Perfect Forward Secrecy and must not be vulnerable against the Heartbleed attack. Futhermore we recommend using end-to-end encryption with GnuPG.

Summary

JSON Refresh

Report created Wed, 23 Apr 2025 19:50:47 +0000

The mailservers of nordlub.de can be reached through an encrypted connection.

However, we found problems that may affect the security.

Servers

Incoming Mails

These servers are responsible for incoming mails to @nordlub.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.nordlub.de
217.86.152.176
 100
supported
mail.nordlub.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Outgoing Mails

We have not received any emails from a @nordlub.de address so far. Test mail delivery

Certificates

First seen at:

CN=mail.nordlub.de

Certificate chain
  • mail.nordlub.de
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Expired
      • R10
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.nordlub.de
Alternative Names
  • mail.nordlub.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R10
validity period
Not valid before
2024-12-04
Not valid after
2025-03-04
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
31:D8:B3:4E:BE:30:51:6F:03:73:25:EC:22:DA:1A:90:4A:81:C3:AE:13:B5:99:44:21:FB:C3:47:22:92:F8:E9
SHA1
CB:BF:F7:54:41:DC:9D:18:4C:27:91:7D:E7:D4:14:BD:F0:B7:9E:E1
X509v3 extensions
subjectKeyIdentifier
  • B4:18:9E:02:B0:7F:DF:EF:54:20:F6:8B:B3:1F:65:F0:42:4B:78:6F
authorityKeyIdentifier
  • keyid:BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
authorityInfoAccess
  • OCSP - URI:http://r10.o.lencr.org
  • CA Issuers - URI:http://r10.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53:
  • D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7
  • Timestamp : Dec 4 19:37:29.108 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:46:DC:9B:66:0A:AC:89:B2:1E:E9:86:82:
  • 41:59:5B:B4:15:E9:7E:62:D8:E2:AA:57:18:D5:59:E0:
  • 0B:2A:73:CE:02:21:00:DC:0C:6D:AD:B3:C1:45:0F:9F:
  • 55:86:6B:FF:C9:29:B5:17:4A:26:11:32:9C:DF:6B:F6:
  • 45:06:2B:64:2D:59:FD
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9:
  • 1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08
  • Timestamp : Dec 4 19:37:29.159 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:C5:42:2A:84:03:86:18:5B:6F:9C:B0:
  • 55:F3:E8:90:32:9D:13:2C:A9:60:36:33:EF:CF:ED:38:
  • BD:85:EB:83:C4:02:21:00:ED:C9:12:B3:00:2C:F1:B5:
  • D4:D1:A1:C3:85:FC:8D:EC:87:F5:D4:C8:32:7D:A5:51:
  • 19:7B:CD:82:BB:0A:DC:DA