SSL check results of tdds-gmbh.de

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Discover if the mail servers for tdds-gmbh.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 Tue, 15 Sep 2020 06:53:11 +0000

We can not guarantee a secure connection to the mailservers of tdds-gmbh.de!

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

/mailservers/tdds-gmbh.de

Servers

Incoming Mails

These servers are responsible for incoming mails to @tdds-gmbh.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.tdds-gmbh.de
80.150.84.2
10
supported
https.proxy.nul
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
1 s
mforward.dtag.de
194.25.242.123
Results incomplete
20
supported
not checked
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s

Outgoing Mails

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

Certificates

First seen at:

CN=https.proxy.nul,OU=Fireware,O=WatchGuard_Technologies

Certificate chain
Subject
Organization (O)
  • WatchGuard_Technologies
Organizational Unit (OU)
  • Fireware
Common Name (CN)
  • https.proxy.nul
Issuer
Organization (O)
  • WatchGuard_Technologies
Organizational Unit (OU)
  • Fireware
Common Name (CN)
  • Fireware HTTPS Proxy (SN 8010046C83E8B 2020-02-04 01:20:52 UTC) CA
validity period
Not valid before
2020-01-05
Not valid after
2030-02-01
This certifcate has been verified for the following usages:
  • TLS Web Client Authentication
Fingerprints
SHA256
11:F8:51:AE:C3:00:6B:8D:96:94:28:6D:46:CA:06:D6:46:1F:13:82:B5:09:21:11:5A:D9:F1:41:0C:90:8D:C2
SHA1
C2:F3:23:46:92:61:D4:B8:2E:E2:58:AD:AB:36:62:D4:92:1B:7B:15