SSL-Tools

SSL check results of server.indakom.de

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Discover if the mail servers for server.indakom.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, 12 Aug 2025 21:34:30 +0000

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

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

/mailservers/server.indakom.de

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
server.indakom.de
213.133.108.139
 -
supported
server.indakom.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
11 s
server.indakom.de
2a01:4f8:222:10c2::2
Results incomplete
- 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 @server.indakom.de address so far. Test mail delivery

Certificates

First seen at:

emailAddress=webmaster@indakom.de,CN=server.indakom.de,OU=IT,O=IDK GmbH,L=Diepenau,ST=NI,C=DE

Certificate chain
  • server.indakom.de (Certificate is self-signed.)
    • remaining
    • 1024 bit
    • sha256WithRSAEncryption
    • Unknown Authority
Subject
Country (C)
  • DE
State (ST)
  • NI
Locality (L)
  • Diepenau
Organization (O)
  • IDK GmbH
Organizational Unit (OU)
  • IT
Common Name (CN)
  • server.indakom.de
Email
  • webmaster@indakom.de
Issuer

Certificate is self-signed.

validity period
Not valid before
2020-04-03
Not valid after
2040-03-29
Fingerprints
SHA256
E1:78:C8:24:25:73:D4:0F:78:BE:8C:ED:A7:A2:A9:57:C3:1A:87:54:E5:1C:B2:D5:5A:AB:8F:06:C8:5D:91:BC
SHA1
75:F8:04:4D:C0:5B:C2:DA:5A:F8:F1:7E:05:AB:34:F2:BE:9C:D1:59