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.
Report created Sun, 19 Jun 2022 20:10:12 +0000
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 |
|
4 s
|
|
mail.guru.de
217.69.254.137
Results incomplete
|
20 |
supported
|
not checked |
|
4 s
|
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
|
No Certificates found