SSL check results of nordlub.de

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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

Report created Sat, 07 Sep 2024 16:40:47 +0000

The mailservers of nordlub.de can be reached through a secure connection.

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

      • R11
        • 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)
  • R11
validity period
Not valid before
2024-09-06
Not valid after
2024-12-05
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
52:48:76:D7:1B:0A:F2:C5:AC:DE:E8:A3:E4:B3:68:1D:B3:79:66:11:BC:21:40:E5:09:43:F7:0F:C3:85:0B:49
SHA1
CC:78:72:94:8A:59:B7:3F:AE:82:82:A9:A4:E5:9B:33:04:A5:FE:D8
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: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/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 3F:17:4B:4F:D7:22:47:58:94:1D:65:1C:84:BE:0D:12:
  • ED:90:37:7F:1F:85:6A:EB:C1:BF:28:85:EC:F8:64:6E
  • Timestamp : Sep 6 09:35:47.970 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:E8:F5:7D:10:07:F4:2F:F0:20:92:9B:
  • 84:19:49:00:7C:4E:DC:CF:DE:A0:E3:10:4F:26:4B:8A:
  • 46:06:6A:FD:5A:02:20:2A:ED:A9:B8:F9:EA:EE:75:A9:
  • BA:B3:DA:92:75:1C:2A:52:04:AB:3B:2D:61:48:AF:2B:
  • 2E:B0:69:9A:06:57:43
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 76:FF:88:3F:0A:B6:FB:95:51:C2:61:CC:F5:87:BA:34:
  • B4:A4:CD:BB:29:DC:68:42:0A:9F:E6:67:4C:5A:3A:74
  • Timestamp : Sep 6 09:35:48.015 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:96:1F:34:02:98:8B:D8:62:0B:6E:3C:
  • BE:30:4F:F5:F7:15:03:F5:A1:0F:34:F2:BD:FF:6F:F7:
  • 4B:FA:2F:D7:B4:02:20:7A:FD:C4:6C:2D:75:0C:8F:84:
  • 48:AB:40:C0:46:06:62:7D:AE:45:12:F1:BE:84:78:5C:
  • 0A:E0:74:E4:35:37:EE