SSL-Tools

SSL check results of guru.de

NEW You can also bulk check multiple servers.

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

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Report created Sun, 19 Jun 2022 20:10:12 +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 received emails from these servers with @guru.de sender addresses. Test mail delivery

Host TLS Version & Cipher
mail.guru.de (217.69.254.137)
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384

Certificates

No Certificates found