SSL-Tools

SSL check results of mail.holzinger-klemm.de

NEW You can also bulk check multiple servers.

Discover if the mail servers for mail.holzinger-klemm.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 Wed, 21 Jul 2021 12:56:06 +0000

We can not guarantee a secure connection to the mailservers of mail.holzinger-klemm.de!

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

/mailservers/mail.holzinger-klemm.de

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.holzinger-klemm.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.holzinger-klemm.de
217.91.195.191
 -
supported
mail.holzinger-klemm.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s
mail.holzinger-klemm.de
2003:2:2:15:80:150:6:143
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 @mail.holzinger-klemm.de address so far. Test mail delivery

Certificates

First seen at:

CN=mail.holzinger-klemm.de

Certificate chain
  • mail.holzinger-klemm.de
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Unknown Authority
      Holzinger+Klemm Gbr VPN CA
Subject
Common Name (CN)
  • mail.holzinger-klemm.de
Alternative Names
  • mail.holzinger-klemm.de
  • mail.teamholzinger.lu
Issuer
Country (C)
  • de
Locality (L)
  • Trier
Organization (O)
  • Holzinger+Klemm Gbr
Common Name (CN)
  • Holzinger+Klemm Gbr VPN CA
Email
  • support@saveitfirst.de
validity period
Not valid before
2021-07-21
Not valid after
2038-01-01
This certifcate has been verified for the following usages:
  • Digital Signature
  • Non Repudiation
  • Key Encipherment
Fingerprints
SHA256
D5:E5:5C:A8:BE:7D:47:CF:9B:C2:95:24:9C:85:C7:6D:EF:97:9A:29:51:57:B6:6C:77:61:C2:E8:6A:FB:A5:44
SHA1
43:FE:B9:19:A9:4B:73:69:56:1B:04:60:77:37:15:D9:42:69:46:F0
X509v3 extensions
subjectKeyIdentifier
  • EC:DD:92:4D:5E:E1:C3:17:9D:5F:88:13:5E:0A:E2:1C:7C:A3:2D:3B
authorityKeyIdentifier
  • keyid:DC:20:BB:AF:2B:05:F5:6F:77:77:11:CF:A2:61:63:94:4C:C4:7A:27
  • DirName:/C=de/L=Trier/O=Holzinger+Klemm Gbr/CN=Holzinger+Klemm Gbr VPN CA/emailAddress=support@saveitfirst.de
  • serial:BC:DA:85:15:41:11:27:34