SSL-Tools

SSL check results of roesner-gmbh.de

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Discover if the mail servers for roesner-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

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Report created Tue, 16 Aug 2022 22:13:00 +0000

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

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

/mailservers/roesner-gmbh.de

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
intern.roesner-gmbh.de
87.245.23.18
 10
supported
SMTP-Server
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s
mx00.kundenserver.de
212.227.15.41
Results incomplete
20
supported
not checked
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
mx01.kundenserver.de
217.72.192.67
Results incomplete
20
supported
not checked
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Outgoing Mails

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

Certificates

First seen at:

CN=SMTP-Server,C=DE

Certificate chain
  • SMTP-Server (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority
Subject
Country (C)
  • DE
Common Name (CN)
  • SMTP-Server
Issuer

Certificate is self-signed.

validity period
Not valid before
2018-05-23
Not valid after
2028-05-20
Fingerprints
SHA256
59:39:26:24:B2:61:6A:F7:6F:26:C8:63:C1:02:5A:54:BC:33:FE:A8:25:DE:55:DA:63:CE:16:98:A4:CC:E0:2A
SHA1
4E:8E:9F:AB:30:A9:52:85:66:FC:D6:12:37:D8:50:46:E4:65:4A:76
X509v3 extensions
subjectKeyIdentifier
  • 1B:F9:06:3C:CF:F5:98:12:3E:F4:25:6E:5E:55:AF:7E:04:47:CC:32
authorityKeyIdentifier
  • keyid:1B:F9:06:3C:CF:F5:98:12:3E:F4:25:6E:5E:55:AF:7E:04:47:CC:32