SSL check results of cclaussen.de

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Discover if the mail servers for cclaussen.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

Report created Fri, 12 Oct 2018 12:48:38 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
cclaussen.de
78.47.244.63
100
supported
cclaussen.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
1 s

Outgoing Mails

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

Certificates

First seen at:

CN=cclaussen.de

Certificate chain
Subject
Common Name (CN)
  • cclaussen.de
Alternative Names
  • cclaussen.de
  • christine-wiebke.de
  • cjcl.de
  • claus-juergen-claussen.de
  • cornelius-claussen.de
  • elke-claussen.de
  • porzellanmuenze.eu
  • porzellanmuenzen.de
  • secure.opentek.de
  • www.cclaussen.de
  • www.christine-wiebke.de
  • www.cjcl.de
  • www.claus-juergen-claussen.de
  • www.cornelius-claussen.de
  • www.elke-claussen.de
  • www.porzellanmuenze.eu
  • www.porzellanmuenzen.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2018-10-10
Not valid after
2019-01-08
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
F3:F7:E4:02:73:40:7C:3E:A1:4D:2C:8D:F4:5C:C0:A2:CC:65:BD:B9:2B:07:21:25:B3:DA:76:AD:0C:31:15:5B
SHA1
CA:B4:28:E8:F4:C6:38:A5:E8:E7:1C:E2:10:4C:97:52:8A:B5:AE:3D
X509v3 extensions
subjectKeyIdentifier
  • D2:6A:43:59:64:D8:25:42:44:8E:12:5C:04:17:B9:D0:9E:97:7B:A1
authorityKeyIdentifier
  • keyid:A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
authorityInfoAccess
  • OCSP - URI:http://ocsp.int-x3.letsencrypt.org
  • CA Issuers - URI:http://cert.int-x3.letsencrypt.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • Policy: 1.3.6.1.4.1.44947.1.1.1
  • CPS: http://cps.letsencrypt.org
  • User Notice:
  • Explicit Text: This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 29:3C:51:96:54:C8:39:65:BA:AA:50:FC:58:07:D4:B7:
  • 6F:BF:58:7A:29:72:DC:A4:C3:0C:F4:E5:45:47:F4:78
  • Timestamp : Oct 10 12:36:17.665 2018 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:A7:BC:63:C0:67:42:F6:AD:84:97:1D:
  • 29:31:F1:C5:D2:48:5C:55:38:BF:C3:F1:61:85:4F:2E:
  • 8B:FA:23:67:33:02:20:2E:B9:36:C7:9B:09:92:61:13:
  • E3:A3:99:D1:4D:2F:52:B2:12:F1:67:78:4C:74:C3:71:
  • F3:32:E4:58:06:7A:7E
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : E2:69:4B:AE:26:E8:E9:40:09:E8:86:1B:B6:3B:83:D4:
  • 3E:E7:FE:74:88:FB:A4:8F:28:93:01:9D:DD:F1:DB:FE
  • Timestamp : Oct 10 12:36:18.134 2018 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:2B:D7:44:CD:A8:40:FF:4E:F4:B1:87:A4:
  • C9:48:4D:BE:72:CC:9D:64:B5:E8:5B:20:55:AB:55:C3:
  • 7F:AC:A3:02:02:21:00:BB:12:ED:45:44:1B:21:E9:21:
  • 3C:01:15:DD:63:CD:B4:0F:81:2A:2A:2C:0F:AE:FB:FA:
  • E2:1E:C6:B3:6E:B3:18