Discover if the mail servers for zsttk.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, 29 May 2020 00:30:24 +0000
These servers are responsible for incoming mails to @zsttk.ru addresses.
Hostname / IP address | Priority | STARTTLS | Certificates | Protocol | ||
---|---|---|---|---|---|---|
mx.zsttk.ru
80.89.128.3
Results incomplete
|
5 |
unsupported
|
not checked |
|
11 s
|
|
mx.ipv6.zsttk.net
2a02:2560:1:b::3
Results incomplete
|
10 |
unsupported
|
not checked |
|
10 s
|
|
mx.ipv6.zsttk.net
80.89.128.3
Results incomplete
|
10 |
unsupported
|
not checked |
|
11 s
|
We have received emails from these servers with @zsttk.ru sender addresses. Test mail delivery
Host | TLS Version & Cipher | |
---|---|---|
unknown (80.89.137.210) |
Insecure - not encrypted!
|
|
gw-internet-as-fr3.ll-kem.zsttk.ru (82.200.55.38) |
Insecure - not encrypted!
|
|
unknown (80.89.137.54) |
Insecure - not encrypted!
|
|
unknown (80.89.137.214) |
Insecure - not encrypted!
|
|
unknown (82.200.50.130) |
Insecure - not encrypted!
|
No Certificates found