SSL-Tools

SSL check results of cuw.uml.lodz.pl

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Discover if the mail servers for cuw.uml.lodz.pl 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

JSON Refresh

Report created Wed, 21 Jul 2021 12:55:51 +0000

We can not guarantee a secure connection to the mailservers of cuw.uml.lodz.pl!

Please contact the operator of cuw.uml.lodz.pl and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/cuw.uml.lodz.pl

Servers

Incoming Mails

These servers are responsible for incoming mails to @cuw.uml.lodz.pl addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
ksmg.uml.lodz.pl
212.191.192.42
 5
supported
ksmg.uml.lodz.pl
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
supported
  • SSL_RSA_WITH_RC4_128_SHA
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
13 s
zimbramta.uml.lodz.pl
212.191.192.200
Results incomplete
20 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s

Outgoing Mails

We have not received any emails from a @cuw.uml.lodz.pl address so far. Test mail delivery

Certificates

First seen at:

CN=ksmg.uml.lodz.pl

Certificate chain
  • ksmg.uml.lodz.pl (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Unknown Authority
Subject
Common Name (CN)
  • ksmg.uml.lodz.pl
Issuer

Certificate is self-signed.

validity period
Not valid before
2021-05-28
Not valid after
2023-05-28
Fingerprints
SHA256
79:B1:97:36:8A:73:7F:74:B1:C1:D0:41:AF:A6:87:C0:65:B5:51:ED:59:00:F2:36:0D:04:86:A6:32:CF:FB:77
SHA1
37:37:6A:14:DF:10:E0:F3:7F:05:D4:66:51:EF:67:2F:27:D4:A9:45