SSL-Tools

SSL check results of kk-werkzeugtechnik.de

NEW You can also bulk check multiple servers.

Discover if the mail servers for kk-werkzeugtechnik.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

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Report created Mon, 25 May 2020 11:32:49 +0000

The mailservers of kk-werkzeugtechnik.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 @kk-werkzeugtechnik.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx.kk-werkzeugtechnik.de
87.140.123.68
 10
supported
mx.kk-werkzeugtechnik.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
4 s

Outgoing Mails

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

Certificates

First seen at:

CN=mx.kk-werkzeugtechnik.de

Certificate chain
  • mx.kk-werkzeugtechnik.de (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha1WithRSAEncryption
    • Unknown Authority
Subject
Common Name (CN)
  • mx.kk-werkzeugtechnik.de
Alternative Names
  • mx.kk-werkzeugtechnik.de
  • exchange.kundk.local
  • AutoDiscover.kundk.local
  • AutoDiscover.kk-werkzeugtechnik.de
  • Exchange
  • kundk.local
  • kk-werkzeugtechnik.de
Issuer

Certificate is self-signed.

validity period
Not valid before
2019-09-19
Not valid after
2024-09-19
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
Fingerprints
SHA256
CA:56:FB:17:24:FD:EB:50:83:39:E1:41:78:F7:19:88:EF:62:DB:5B:2E:72:A9:71:4B:48:F0:5A:65:1F:7B:09
SHA1
41:DC:94:9C:3B:3E:52:13:96:76:B8:CF:76:E2:9E:53:D8:C1:04:AB