SSL check results of zsttk.ru

NEW You can also bulk check multiple servers.

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.

Summary

Report created Fri, 29 May 2020 00:30:24 +0000

No connection to the mailservers of zsttk.ru could be established.

Servers

Incoming Mails

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
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
mx.ipv6.zsttk.net
2a02:2560:1:b::3
Results incomplete
10
unsupported
not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
10 s
mx.ipv6.zsttk.net
80.89.128.3
Results incomplete
10
unsupported
not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s

Outgoing Mails

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!

Certificates

No Certificates found