SSL-Tools

SSL check results of computer-company.de

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Discover if the mail servers for computer-company.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

JSON Refresh

Report created Tue, 27 Oct 2020 08:00:03 +0000

The mailservers of computer-company.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @computer-company.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.computer-company.de
62.75.168.47
 10
supported
computer-company.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
14 s

Outgoing Mails

We have received emails from these servers with @computer-company.de sender addresses. Test mail delivery

Host TLS Version & Cipher
www.computer-company.de (62.75.168.47)
TLSv1.2 AECDH-AES256-SHA

Certificates

First seen at:

CN=computer-company.de

Certificate chain
Subject
Common Name (CN)
  • computer-company.de
Alternative Names
  • *.computer-company.de
  • computer-company.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-10-25
Not valid after
2021-01-23
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
67:A8:04:08:C8:D6:B9:80:05:48:08:57:56:46:43:D5:46:1D:94:FC:23:64:09:27:BE:F1:16:2D:C2:21:3B:54
SHA1
43:43:23:D9:F5:4A:17:44:7B:BA:65:13:23:DC:4C:05:F6:90:47:62
X509v3 extensions
subjectKeyIdentifier
  • 37:6D:FE:90:74:AE:FA:EE:85:50:DF:2B:8D:BF:9F:FB:EA:14:DB:97
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
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 94:20:BC:1E:8E:D5:8D:6C:88:73:1F:82:8B:22:2C:0D:
  • D1:DA:4D:5E:6C:4F:94:3D:61:DB:4E:2F:58:4D:A2:C2
  • Timestamp : Oct 25 14:45:42.212 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:91:72:9E:2D:02:9E:4E:EA:FA:6D:D5:
  • 20:43:6B:00:21:1B:7E:76:84:F5:1C:CB:60:CD:17:E1:
  • 63:7B:B0:05:2D:02:20:59:22:C2:27:04:DA:03:A1:30:
  • DA:3F:26:0A:33:7A:E3:2F:27:B4:87:76:0F:3F:A0:B1:
  • FD:56:1E:DD:12:58:87
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7D:3E:F2:F8:8F:FF:88:55:68:24:C2:C0:CA:9E:52:89:
  • 79:2B:C5:0E:78:09:7F:2E:6A:97:68:99:7E:22:F0:D7
  • Timestamp : Oct 25 14:45:42.262 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:F8:60:B9:01:4D:7F:A5:D0:4D:CC:21:
  • 18:2F:C4:3D:7F:CD:87:67:A2:8C:4A:3C:35:C5:2E:E9:
  • F9:E9:61:94:A2:02:21:00:CE:4F:78:88:B7:8B:E1:9A:
  • B4:2A:9D:CA:F3:A2:0E:95:B8:E5:F4:D1:0F:A8:D0:CD:
  • 1C:4E:65:30:32:54:41:EA