SSL check results of guru.de

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Discover if the mail servers for guru.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 Sun, 24 May 2020 18:36:40 +0000

No connection to the mailservers of guru.de could be established.

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.guru.de
217.69.254.137
Results incomplete
10
supported
not checked
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
4 s
mail.guru.de
217.69.254.137
Results incomplete
20
supported
not checked
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
4 s

Outgoing Mails

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

Certificates

No Certificates found