Discover if the mail servers for mup.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, 28 May 2020 03:40:54 +0000
Please contact the operator of mup.cz and ask him or her to solve this problem. This result stays accessible under the following address:
These servers are responsible for incoming mails to @mup.cz addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mail.mup.cz
2001:1568:d::114
Results incomplete
|
10 | not checked |
|
1 s
|
||
mail.mup.cz
81.91.85.132
|
10 |
supported
|
m114.server4u.cz |
|
2 s
|
We have not received any emails from a @mup.cz address so far. Test mail delivery
Certificate is self-signed.