Discover if the mail servers for tomlab.cz 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, 03 Oct 2023 10:54:38 +0000
These servers are responsible for incoming mails to @tomlab.cz addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mail.tomlab.cz
2001:15e8:110:22f2::1
Results incomplete
|
10 |
supported
|
not checked |
|
1 s
|
|
mail.tomlab.cz
85.255.10.242
Results incomplete
|
10 |
supported
|
not checked |
|
1 s
|
We have received emails from these servers with @tomlab.cz sender addresses. Test mail delivery
Host | TLS Version & Cipher | |
---|---|---|
mail.tomlab.cz (85.255.10.242) |
TLSv1.3
TLS_AES_256_GCM_SHA384
|
No Certificates found