SSL-Tools

SSL check results of cafe-netzwerk.de

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Discover if the mail servers for cafe-netzwerk.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

JSON Refresh

Report created Tue, 04 May 2021 12:41:22 +0000

We can not guarantee a secure connection to the mailservers of cafe-netzwerk.de!

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

/mailservers/cafe-netzwerk.de

Servers

Incoming Mails

These servers are responsible for incoming mails to @cafe-netzwerk.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
ucs.cafe-netzwerk.de
217.92.18.223
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
4 s
ucs.cafe-netzwerk.de
80.147.56.214
 10
supported
ucs.cafe-netzwerk.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
mail.cafe-netzwerk.de
217.92.18.223
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
4 s
mail.cafe-netzwerk.de
80.147.56.214
 10
supported
ucs.cafe-netzwerk.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s

Outgoing Mails

We have not received any emails from a @cafe-netzwerk.de address so far. Test mail delivery

Certificates

First seen at:

emailAddress=ssl@cafe-netzwerk.de,CN=ucs.cafe-netzwerk.de,OU=Univention Corporate Server,O=Cafe Netzwerk,L=DE,ST=DE,C=DE

Certificate chain
  • ucs.cafe-netzwerk.de
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Unknown Authority
      Univention Corporate Server Root CA (ID=2XmkllSS)
Subject
Country (C)
  • DE
State (ST)
  • DE
Locality (L)
  • DE
Organization (O)
  • Cafe Netzwerk
Organizational Unit (OU)
  • Univention Corporate Server
Common Name (CN)
  • ucs.cafe-netzwerk.de
Email
  • ssl@cafe-netzwerk.de
Alternative Names
  • ucs.cafe-netzwerk.de
  • ucs
Issuer
Country (C)
  • DE
State (ST)
  • DE
Locality (L)
  • DE
Organization (O)
  • Cafe Netzwerk
Organizational Unit (OU)
  • Univention Corporate Server
Common Name (CN)
  • Univention Corporate Server Root CA (ID=2XmkllSS)
Email
  • ssl@cafe-netzwerk.de
validity period
Not valid before
2020-01-12
Not valid after
2025-01-10
This certifcate has been verified for the following usages:
  • Digital Signature
  • Non Repudiation
  • Key Encipherment
Fingerprints
SHA256
30:C4:BD:CC:65:46:EF:35:1F:20:4C:C5:61:1A:34:83:91:39:85:DD:ED:76:93:FE:87:2A:A9:42:05:FB:66:73
SHA1
D9:9C:84:6E:90:FC:43:21:77:57:D9:06:BD:51:75:28:36:A1:4F:03
X509v3 extensions
subjectKeyIdentifier
  • F0:96:5C:B7:F4:01:BE:19:A0:E7:DC:FD:95:5A:8E:D3:D9:79:A8:07
authorityKeyIdentifier
  • keyid:AF:4C:39:52:A8:E2:2C:DD:36:F6:38:72:BA:9C:4E:56:80:B8:5C:D9
  • DirName:/C=DE/ST=DE/L=DE/O=Cafe Netzwerk/OU=Univention Corporate Server/CN=Univention Corporate Server Root CA (ID=2XmkllSS)/emailAddress=ssl@cafe-netzwerk.de
  • serial:8A:41:EF:D0:ED:0E:C2:ED