SSL-Tools

SSL check results of praxiscm.de

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Discover if the mail servers for praxiscm.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 Sun, 20 Jul 2025 00:30:20 +0000

The mailservers of praxiscm.de can be reached through a secure connection.

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.praxiscm.de
79.140.176.143
 20
supported
mail.praxiscm.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.praxiscm.de

Certificate chain
  • mail.praxiscm.de
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R11
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.praxiscm.de
Alternative Names
  • mail.praxiscm.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R11
validity period
Not valid before
2025-07-01
Not valid after
2025-09-29
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
D5:43:3F:70:B1:15:AA:08:1A:76:15:A2:C6:69:4F:EB:C9:49:08:70:B1:38:BF:55:98:0B:8D:9A:A7:37:AD:DF
SHA1
A6:59:11:BB:89:AE:A6:A5:6C:CF:29:CF:E0:C9:7C:EB:89:5C:1B:31
X509v3 extensions
subjectKeyIdentifier
  • 64:33:D0:26:84:0E:CD:87:56:83:CD:82:E4:47:81:84:34:FE:6F:80
authorityKeyIdentifier
  • keyid:C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
authorityInfoAccess
  • CA Issuers - URI:http://r11.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r11.c.lencr.org/25.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
  • 3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
  • Timestamp : Jul 1 11:06:19.499 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:40:F2:1C:E4:7F:C3:1A:2A:30:7D:D7:45:
  • 7C:49:38:5C:BF:EF:C8:03:B4:F0:E3:60:52:07:6D:CF:
  • AB:5A:27:7A:02:21:00:A5:E3:3E:9F:03:63:58:C7:CB:
  • 58:E9:70:37:DC:6E:8C:28:EE:46:CE:B7:76:71:23:43:
  • 54:BF:D3:7B:FB:3E:88
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7D:59:1E:12:E1:78:2A:7B:1C:61:67:7C:5E:FD:F8:D0:
  • 87:5C:14:A0:4E:95:9E:B9:03:2F:D9:0E:8C:2E:79:B8
  • Timestamp : Jul 1 11:06:21.455 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:34:22:72:F7:64:B1:6B:B2:70:02:F6:9B:
  • 34:CA:84:C1:68:3E:24:4B:2B:13:21:B7:DC:1B:2F:76:
  • 52:32:62:12:02:21:00:F6:DE:EA:CD:81:7A:80:8B:1C:
  • 9F:B3:0B:8C:F2:5F:E0:F1:19:D0:FF:97:DE:0C:FC:F2:
  • 1F:65:82:CE:D8:A9:5E