Discover if the mail servers for kvt-zvk.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 Thu, 18 Nov 2021 11:31:43 +0000
These servers are responsible for incoming mails to @kvt-zvk.de addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mail.kvt-zvk.de
217.91.69.80
Results incomplete
|
10 | not checked |
|
11 s
|
||
mail4.cm-system.de
195.145.156.27
Results incomplete
|
50 |
supported
|
not checked |
|
1 s
|
|
mail5.cm-system.de
195.145.156.125
Results incomplete
|
100 | not checked |
|
11 s
|
We have not received any emails from a @kvt-zvk.de address so far. Test mail delivery
No Certificates found