SSL check results of kvt-group.de

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Discover if the mail servers for kvt-group.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 12:55:23 +0000

The mailservers of kvt-group.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @kvt-group.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.kvt-group.de
85.16.75.55
10
supported
*.kvt-group.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
11.0 s

Outgoing Mails

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

Certificates

First seen at:

*.kvt-group.de

Certificate chain
Subject
Country (C)
  • DE
Postal code
  • 27711
State (ST)
  • Niedersachsen
Locality (L)
  • Osterholz-Scharmbeck
Street
  • Sachsenring 4-6
Organization (O)
  • KVT Kurlbaum AG
Common Name (CN)
  • *.kvt-group.de
Alternative Names
  • *.kvt-group.de
  • kvt-group.de
Issuer
Country (C)
  • GB
State (ST)
  • Greater Manchester
Locality (L)
  • Salford
Organization (O)
  • COMODO CA Limited
Common Name (CN)
  • COMODO ECC Organization Validation Secure Server CA
validity period
Not valid before
2018-10-12
Not valid after
2021-01-09
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
AF:AA:10:74:F9:22:5D:C4:C0:53:CA:5F:82:49:0F:B0:3F:31:D1:C0:C6:F6:B6:C9:2D:A3:CB:6D:25:A8:AE:DA
SHA1
81:50:E1:40:1E:0C:E3:53:E3:1D:27:EB:53:00:E6:EC:0E:7F:8C:11
X509v3 extensions
authorityKeyIdentifier
  • keyid:76:BE:22:48:EE:3F:3E:F6:46:03:D9:87:18:D0:65:7E:22:9C:0B:E1
subjectKeyIdentifier
  • 7B:62:AF:99:86:80:D7:C9:F1:CC:72:37:E1:52:35:15:98:B7:E7:34
certificatePolicies
  • Policy: 1.3.6.1.4.1.6449.1.2.1.3.4
  • CPS: https://secure.comodo.com/CPS
  • Policy: 2.23.140.1.2.2
crlDistributionPoints
  • Full Name:
  • URI:http://crl.comodoca.com/COMODOECCOrganizationValidationSecureServerCA.crl
authorityInfoAccess
  • CA Issuers - URI:http://crt.comodoca.com/COMODOECCOrganizationValidationSecureServerCA.crt
  • OCSP - URI:http://ocsp.comodoca.com
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1(0)
  • Log ID : EE:4B:BD:B7:75:CE:60:BA:E1:42:69:1F:AB:E1:9E:66:
  • A3:0F:7E:5F:B0:72:D8:83:00:C4:7B:89:7A:A8:FD:CB
  • Timestamp : Oct 12 11:52:38.442 2018 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:E8:08:A6:8E:7C:CF:B8:96:F5:83:E0:
  • F7:59:04:96:C9:50:8C:88:7C:C7:0C:68:7C:54:1A:B6:
  • 90:63:EB:C4:E7:02:20:28:CD:2A:4C:DE:7A:44:2E:87:
  • 2C:A2:93:ED:58:90:A7:F5:29:94:E4:AB:91:40:75:62:
  • 68:1B:EC:D3:F1:EA:DA
  • Signed Certificate Timestamp:
  • Version : v1(0)
  • Log ID : 44:94:65:2E:B0:EE:CE:AF:C4:40:07:D8:A8:FE:28:C0:
  • DA:E6:82:BE:D8:CB:31:B5:3F:D3:33:96:B5:B6:81:A8
  • Timestamp : Oct 12 11:52:38.495 2018 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:1A:03:00:35:67:AA:17:BB:7E:F6:02:52:
  • C0:7F:9D:B5:06:27:60:4D:C1:89:CB:73:20:1E:40:40:
  • 90:93:DA:16:02:20:49:07:BB:3A:49:1B:2D:FE:D1:1A:
  • 09:61:66:AD:D7:2D:62:FB:73:2B:2B:1E:6C:21:DD:D2:
  • 3D:B5:FA:C3:58:61
  • Signed Certificate Timestamp:
  • Version : v1(0)
  • Log ID : 55:81:D4:C2:16:90:36:01:4A:EA:0B:9B:57:3C:53:F0:
  • C0:E4:38:78:70:25:08:17:2F:A3:AA:1D:07:13:D3:0C
  • Timestamp : Oct 12 11:52:38.806 2018 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:5A:1F:CA:98:47:E1:28:7E:D4:97:4E:8B:
  • 77:E5:20:8C:BC:5E:5A:3E:11:6A:C0:01:38:3C:83:92:
  • 28:E7:9E:1A:02:21:00:C3:80:21:11:91:BE:F2:C6:CF:
  • CF:EE:5F:ED:F4:ED:57:94:EF:ED:7C:E1:E0:25:0C:9F:
  • 18:2B:21:B4:20:8E:BD