Discover if the mail servers for cssz.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 Thu, 02 Jun 2022 13:13:08 +0000
These servers are responsible for incoming mails to @cssz.cz addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mail01-xx.cssz.cz
2001:af0:fff4:12::41
Results incomplete
|
5 |
supported
|
not checked |
|
1 s
|
|
mail01-xx.cssz.cz
91.195.106.43
Results incomplete
|
5 |
supported
|
not checked |
|
1 s
|
|
mail01-2x.cssz.cz
2001:af0:fff6:12::41
Results incomplete
|
5 |
supported
|
not checked |
|
1 s
|
|
mail01-2x.cssz.cz
91.195.107.41
Results incomplete
|
5 |
supported
|
not checked |
|
1 s
|
We have not received any emails from a @cssz.cz address so far. Test mail delivery
No Certificates found