Discover if the mail servers for sts-ul.ru 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 Fri, 11 Jun 2021 05:48:38 +0000
These servers are responsible for incoming mails to @sts-ul.ru addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mail.sts-ul.ru
89.239.139.141
Results incomplete
|
10 |
unsupported
|
not checked |
|
1 s
|
We have received emails from these servers with @sts-ul.ru sender addresses. Test mail delivery
Host | TLS Version & Cipher | |
---|---|---|
mail.ulx.ru (89.239.139.141) |
Insecure - not encrypted!
|
No Certificates found