SSL check results of iol.cz

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Discover if the mail servers for iol.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.

Summary

Report created Wed, 28 Oct 2015 13:54:40 +0000

No connection to the mailservers of iol.cz could be established.

Servers

Incoming Mails

These servers are responsible for incoming mails to @iol.cz addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp-in1.iol.cz
194.228.2.70
Results incomplete
10
unsupported
not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
1 s
smtp-in2.iol.cz
194.228.2.85
Results incomplete
20
unsupported
not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
1 s

Outgoing Mails

We have received emails from these servers with @iol.cz sender addresses. Test mail delivery

Host TLS Version & Cipher
156.27.broadband15.iol.cz (90.182.27.156)
Insecure - not encrypted!
113.223.broadband5.iol.cz (88.100.223.113)
Insecure - not encrypted!
225.169.broadband9.iol.cz (90.176.169.225)
Insecure - not encrypted!
188.149.broadband16.iol.cz (90.183.149.188)
Insecure - not encrypted!
235.68.broadband3.iol.cz (85.70.68.235)
Insecure - not encrypted!
178.152.broadband16.iol.cz (90.183.152.178)
Insecure - not encrypted!
82.151.broadband12.iol.cz (90.179.151.82)
Insecure - not encrypted!
28.183.broadband9.iol.cz (90.176.183.28)
Insecure - not encrypted!
207.194.broadband11.iol.cz (90.178.194.207)
Insecure - not encrypted!
31.110.broadband10.iol.cz (90.177.110.31)
Insecure - not encrypted!
235.107.broadband13.iol.cz (90.180.107.235)
Insecure - not encrypted!
111.99.broadband10.iol.cz (90.177.99.111)
Insecure - not encrypted!
128.169.broadband9.iol.cz (90.176.169.128)
Insecure - not encrypted!
133.167.broadband12.iol.cz (90.179.167.133)
Insecure - not encrypted!
140.41.broadband11.iol.cz (90.178.41.140)
Insecure - not encrypted!
230.85.broadband.iol.cz (80.188.85.230)
Insecure - not encrypted!
176.237.broadband11.iol.cz (90.178.237.176)
Insecure - not encrypted!
150.157.broadband7.iol.cz (88.102.157.150)
Insecure - not encrypted!
118.190.broadband18.iol.cz (109.81.190.118)
Insecure - not encrypted!
168.112.broadband.iol.cz (80.188.112.168)
Insecure - not encrypted!
60.137.broadband16.iol.cz (90.183.137.60)
Insecure - not encrypted!
242.160.broadband15.iol.cz (90.182.160.242)
Insecure - not encrypted!
55.4.broadband2.iol.cz (83.208.4.55)
Insecure - not encrypted!
50.158.broadband16.iol.cz (90.183.158.50)
Insecure - not encrypted!
210.150.broadband14.iol.cz (90.181.150.210)
Insecure - not encrypted!

Certificates

No Certificates found