Discover if the mail servers for koettel.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 Tue, 17 Oct 2023 21:20:02 +0000
These servers are responsible for incoming mails to @koettel.de addresses.
| Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
|---|---|---|---|---|---|---|
|
mail.koettel.de
157.97.106.41
Results incomplete
|
10 |
supported
|
not checked |
|
1 s
|
We have received emails from these servers with @koettel.de sender addresses. Test mail delivery
| Host | TLS Version & Cipher | |
|---|---|---|
| koettel.de (85.214.53.8) |
TLSv1.3
TLS_AES_256_GCM_SHA384
|
No Certificates found
Heartbleed