SSL check results of imm-gmbh.com

NEW You can also bulk check multiple servers.

Discover if the mail servers for imm-gmbh.com 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 Wed, 17 Apr 2024 21:48:34 +0000

The mailservers of imm-gmbh.com 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 @imm-gmbh.com addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.imm-gmbh.com
89.203.210.252
1
supported
mail.ibs-engineering.cz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
12 s

Outgoing Mails

We have received emails from these servers with @imm-gmbh.com sender addresses. Test mail delivery

Host TLS Version & Cipher
mail.ibs-engineering.cz (89.203.210.252)
TLSv1.3 TLS_AES_256_GCM_SHA384

Certificates

First seen at:

emailAddress=info@ibs-engineering.cz,CN=mail.ibs-engineering.cz,OU=IT,O=IBS-Engineering s.r.o.,L=Martinice,ST=TheCzechRepublic,C=CZ

Certificate chain
  • mail.ibs-engineering.cz
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority

      IBS-Engineering s.r.o. Intermediate CA
Subject
Country (C)
  • CZ
State (ST)
  • TheCzechRepublic
Locality (L)
  • Martinice
Organization (O)
  • IBS-Engineering s.r.o.
Organizational Unit (OU)
  • IT
Common Name (CN)
  • mail.ibs-engineering.cz
Email
  • info@ibs-engineering.cz
Alternative Names
  • mail.ibs-engineering.cz
Issuer
Country (C)
  • CZ
State (ST)
  • TheCzechRepublic
Organization (O)
  • IBS-Engineering s.r.o.
Organizational Unit (OU)
  • IBS-Engineering s.r.o. Certificate Authority
Common Name (CN)
  • IBS-Engineering s.r.o. Intermediate CA
Email
  • info@ibs-engineering.cz
validity period
Not valid before
2018-10-30
Not valid after
2029-02-04
This certifcate has been verified for the following usages:
  • Digital Signature
  • Non Repudiation
  • Key Encipherment
Fingerprints
SHA256
88:43:42:84:85:07:EA:81:3A:AF:21:23:B3:C9:B3:B8:BD:6F:05:8A:E7:62:6F:39:36:AE:AD:FB:BF:D3:4D:17
SHA1
B1:29:A5:BE:EA:00:1F:73:EE:60:C1:3F:D1:B4:62:8C:7B:DC:1C:51