SSL check results of kunesch-it.de

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Discover if the mail servers for kunesch-it.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, 27 Mar 2020 01:30:30 +0000

The mailservers of kunesch-it.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @kunesch-it.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx-in-01.spam-shredder.de
2a01:4f8:c010:8bd::dead:beef
1
supported
mx-in-01.spam-shredder.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
8 s
mx-in-01.spam-shredder.de
159.69.191.154
1
supported
mx-in-01.spam-shredder.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
8 s
mx-in-02.spam-shredder.de
2a01:4f8:1c0c:5005::1
2
supported
mx-in-02.spam-shredder.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
8 s
mx-in-02.spam-shredder.de
195.201.23.245
2
supported
mx-in-02.spam-shredder.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
8 s

Outgoing Mails

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

Certificates

First seen at:

CN=mx-in-01.spam-shredder.de

Certificate chain
Subject
Common Name (CN)
  • mx-in-01.spam-shredder.de
Alternative Names
  • mx-in-01.spam-shredder.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-03-26
Not valid after
2020-06-24
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
8D:75:C9:18:30:17:B5:8F:3D:FD:16:E4:4C:CA:3A:E5:47:30:60:0F:20:F2:20:97:DA:9B:56:A4:62:69:38:72
SHA1
E7:EC:44:69:E6:D7:25:3E:D6:77:E0:B3:DD:FC:C0:09:A8:14:06:38
X509v3 extensions
subjectKeyIdentifier
  • B1:C9:A2:DF:EC:2D:EF:AF:86:8D:CB:31:B0:FB:F0:FA:E9:65:85:C8
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 : B2:1E:05:CC:8B:A2:CD:8A:20:4E:87:66:F9:2B:B9:8A:
  • 25:20:67:6B:DA:FA:70:E7:B2:49:53:2D:EF:8B:90:5E
  • Timestamp : Mar 26 09:34:04.139 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:3B:FE:E0:A5:5D:93:D7:BF:A2:B9:14:4B:
  • 4D:E8:BB:AD:2B:F4:C0:4D:6D:D0:04:53:48:0E:24:28:
  • 50:28:59:2C:02:21:00:F0:83:EE:8C:63:E4:AC:2D:FD:
  • D6:75:EF:E6:80:01:67:76:86:2E:1D:5F:23:2C:BB:00:
  • 4C:CA:B1:32:31:5A:87
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 6F:53:76:AC:31:F0:31:19:D8:99:00:A4:51:15:FF:77:
  • 15:1C:11:D9:02:C1:00:29:06:8D:B2:08:9A:37:D9:13
  • Timestamp : Mar 26 09:34:04.337 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:07:0D:02:46:66:D3:06:11:BC:F4:85:69:
  • 1E:DC:23:B0:7C:6E:90:89:34:11:01:8D:83:20:A8:CB:
  • D8:03:31:57:02:21:00:EF:D5:17:13:82:C8:41:AE:5A:
  • 31:54:6D:12:E2:34:05:81:97:1C:D5:7E:58:6A:82:08:
  • 35:F8:05:47:9B:77:36
First seen at:

CN=mx-in-02.spam-shredder.de

Certificate chain
Subject
Common Name (CN)
  • mx-in-02.spam-shredder.de
Alternative Names
  • mx-in-02.spam-shredder.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-03-26
Not valid after
2020-06-24
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
16:3F:A0:A3:48:94:E1:77:9D:22:5D:83:05:D9:55:33:89:70:65:A6:D4:9B:38:2B:14:0E:BE:5B:BF:DF:65:AF
SHA1
82:26:1C:EB:16:99:78:53:9B:2D:23:4C:28:01:98:33:E1:23:8B:05
X509v3 extensions
subjectKeyIdentifier
  • 2E:80:59:1B:AA:FD:8C:D5:AC:14:0E:F7:75:D0:19:75:E5:22:5C:E1
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 : F0:95:A4:59:F2:00:D1:82:40:10:2D:2F:93:88:8E:AD:
  • 4B:FE:1D:47:E3:99:E1:D0:34:A6:B0:A8:AA:8E:B2:73
  • Timestamp : Mar 26 09:40:20.827 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:F7:1E:E9:E6:B1:8D:3A:50:E5:1E:AA:
  • 62:8F:F4:2B:95:77:D3:BC:79:CF:5A:A5:F3:F3:58:9F:
  • 58:0F:38:C4:05:02:20:11:37:5F:5D:C0:C0:FC:69:BA:
  • 97:F2:AA:19:E4:B4:88:C1:5F:D8:CA:BE:87:51:79:F8:
  • 02:49:F3:9B:4A:F1:3E
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : B2:1E:05:CC:8B:A2:CD:8A:20:4E:87:66:F9:2B:B9:8A:
  • 25:20:67:6B:DA:FA:70:E7:B2:49:53:2D:EF:8B:90:5E
  • Timestamp : Mar 26 09:40:20.823 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:72:AF:13:32:AC:BC:F6:C1:D4:0E:97:03:
  • FC:CB:58:F9:57:E0:CD:5A:D0:DD:B7:9A:2F:20:27:E6:
  • DD:DD:E9:2A:02:21:00:D1:29:71:59:AF:45:CF:94:B5:
  • 89:54:96:87:29:1B:69:37:3D:FE:A2:7A:19:2C:AD:1E:
  • D9:9E:CC:F3:49:C4:C3