SSL-Tools

SSL check results of kzvbw.de

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Discover if the mail servers for kzvbw.de 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

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Report created Thu, 04 Mar 2021 09:28:24 +0000

We can not guarantee a secure connection to the mailservers of kzvbw.de!

Please contact the operator of kzvbw.de and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/kzvbw.de

Servers

Incoming Mails

These servers are responsible for incoming mails to @kzvbw.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail-fr.kzvbw.de
213.30.255.70
 1
supported
mail-fr.kzvbw.de
DANE
missing
PFS
unsupported
Heartbleed
not vulnerable
Weak ciphers
supported
  • SSL_RSA_WITH_RC4_128_SHA
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
15 s
mail-tue.kzvbw.de
212.71.208.35
Results incomplete
100 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 @kzvbw.de address so far. Test mail delivery

Certificates

First seen at:

emailAddress=bw-spamadmin@kzvbw.de,CN=mail-fr.kzvbw.de,OU=BD Freiburg,O=KZV BW,L=Freiburg,ST=Baden-Wuerttemberg,C=DE

Certificate chain
  • mail-fr.kzvbw.de (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha1WithRSAEncryption
    • Expired
    • Unknown Authority
Subject
Country (C)
  • DE
State (ST)
  • Baden-Wuerttemberg
Locality (L)
  • Freiburg
Organization (O)
  • KZV BW
Organizational Unit (OU)
  • BD Freiburg
Common Name (CN)
  • mail-fr.kzvbw.de
Email
  • bw-spamadmin@kzvbw.de
Issuer

Certificate is self-signed.

validity period
Not valid before
2019-09-18
Not valid after
2019-10-18
Fingerprints
SHA256
8B:2B:C6:70:3E:53:F8:F3:12:FA:ED:1E:B6:B6:3F:AC:1B:4A:E4:13:CA:9C:F3:F7:6B:4E:7A:36:38:AD:16:47
SHA1
EB:B4:B5:F3:0D:05:82:2D:97:DD:0B:01:C5:A3:C9:64:3C:1C:76:AE
X509v3 extensions
subjectKeyIdentifier
  • 85:AE:B7:5F:70:5F:73:76:55:53:CC:0F:AA:F1:3A:5E:7F:EF:25:1B
authorityKeyIdentifier
  • keyid:85:AE:B7:5F:70:5F:73:76:55:53:CC:0F:AA:F1:3A:5E:7F:EF:25:1B
  • DirName:/C=DE/ST=Baden-Wuerttemberg/L=Freiburg/O=KZV BW/OU=BD Freiburg/CN=mail-fr.kzvbw.de/emailAddress=bw-spamadmin@kzvbw.de
  • serial:C4:21:B3:1B:5E:03:B4:A4