Discover if the mail servers for tmcz.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, 02 Jun 2020 01:31:54 +0000
These servers are responsible for incoming mails to @tmcz.cz addresses.
| Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
|---|---|---|---|---|---|---|
|
mail.telekom.net
2a00:18e0::1310:193:46:215:141
Results incomplete
|
10 |
supported
|
not checked |
|
6 s
|
|
|
mail.telekom.net
193.46.215.141
Results incomplete
|
10 |
supported
|
not checked |
|
6 s
|
We have received emails from these servers with @tmcz.cz sender addresses. Test mail delivery
| Host | TLS Version & Cipher | |
|---|---|---|
| 89-24-210-10.customers.tmcz.cz (89.24.210.10) |
Insecure - not encrypted!
|
|
| 91-139-1-158.customers.tmcz.cz (91.139.1.158) |
Insecure - not encrypted!
|
|
| 89-24-119-126.customers.tmcz.cz (89.24.119.126) |
Insecure - not encrypted!
|
No Certificates found
Heartbleed