Discover if the mail servers for chinaunicom.cn 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 Mon, 20 Mar 2023 11:54:09 +0000
Please contact the operator of chinaunicom.cn 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 @chinaunicom.cn addresses.
| Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
|---|---|---|---|---|---|---|
|
maila.mailex.chinaunicom.cn
123.138.59.138
|
10 |
supported
|
hwBuild |
|
23 s
|
|
|
mailb.mailex.chinaunicom.cn
123.138.59.138
|
15 |
supported
|
hwBuild |
|
23 s
|
|
|
mailc.mailex.chinaunicom.cn
210.53.66.248
Results incomplete
|
20 |
unsupported
|
not checked |
|
2 s
|
We have not received any emails from a @chinaunicom.cn address so far. Test mail delivery
Certificate is self-signed.
Heartbleed