SSL check results of wellmann-service.de

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Discover if the mail servers for wellmann-service.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

Report created Mon, 25 May 2020 17:28:36 +0000

The mailservers of wellmann-service.de can be reached through an encrypted connection.

However, we found problems that may affect the security.

Servers

Incoming Mails

These servers are responsible for incoming mails to @wellmann-service.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.wellmann-service.de
80.81.20.103
10
supported
wellmann-utm
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s

Outgoing Mails

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

Certificates

First seen at:

CN=wellmann-utm,O=Wellmann Service,L=München,C=de

Certificate chain
  • wellmann-utm
    • remaining
    • 2048 bit
    • sha1WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority

      Wellmann Service WebAdmin CA
Subject
Country (C)
  • de
Locality (L)
  • München
Organization (O)
  • Wellmann Service
Common Name (CN)
  • wellmann-utm
Alternative Names
  • wellmann-utm
Issuer
Country (C)
  • de
Locality (L)
  • München
Organization (O)
  • Wellmann Service
Common Name (CN)
  • Wellmann Service WebAdmin CA
Email
  • support@heinrich-its.net
validity period
Not valid before
2016-09-15
Not valid after
2038-01-01
This certifcate has been verified for the following usages:
  • Digital Signature
  • Non Repudiation
  • Key Encipherment
Fingerprints
SHA256
AF:9B:20:66:0C:AD:9E:71:BE:73:3F:3B:9B:4D:C6:20:38:0F:A9:56:29:69:F3:82:72:36:7F:EB:E0:0A:2B:E2
SHA1
15:56:28:B7:07:EE:C6:8D:37:7F:31:40:78:B6:AF:08:5C:BB:1C:77
X509v3 extensions
subjectKeyIdentifier
  • 39:B7:79:80:97:29:25:DF:93:9B:B1:6E:57:D8:10:4C:24:6D:AD:05
authorityKeyIdentifier
  • keyid:CF:74:0A:69:C5:48:68:C1:71:DC:AC:FD:1C:A4:C2:93:27:1E:DE:08
  • DirName:/C=de/L=M\xC3\xBCnchen/O=Wellmann Service/CN=Wellmann Service WebAdmin CA/emailAddress=support@heinrich-its.net
  • serial:E0:9C:BD:93:47:6D:20:0B