SSL-Tools

SSL check results of dresen.de

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Discover if the mail servers for dresen.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 Tue, 15 Sep 2020 06:48:26 +0000

We can not guarantee a secure connection to the mailservers of dresen.de!

Please contact the operator of dresen.de and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/dresen.de

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail2.dresen.de
217.6.245.187
 10
supported
mail2.ahdresen.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
11 s
mail.dresen.de
217.6.235.43
Results incomplete
20 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail2.ahdresen.de

Certificate chain
  • mail2.ahdresen.de (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha1WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority
Subject
Common Name (CN)
  • mail2.ahdresen.de
Issuer

Certificate is self-signed.

validity period
Not valid before
2014-12-12
Not valid after
2024-12-09
Fingerprints
SHA256
6E:5E:B8:46:E8:C0:7E:03:20:CB:E7:69:2B:53:65:D3:6A:80:72:2B:B5:C4:B5:AB:65:E6:36:64:A8:44:FB:10
SHA1
8C:85:AB:D3:9E:2D:A8:3A:02:B1:1A:A8:59:20:52:8F:3D:6D:5A:18