SSL-Tools

SSL check results of steelhost.de

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Discover if the mail servers for steelhost.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 Sat, 06 Jun 2020 16:55:12 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
steelhost.de
178.115.252.51
 0
supported
steelhost.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
20 s

Outgoing Mails

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

Certificates

First seen at:

CN=steelhost.de

Certificate chain
Subject
Common Name (CN)
  • steelhost.de
Alternative Names
  • bilder.steelcloud.de
  • chat.steelcloud.de
  • cloudbauer.org
  • der-schweitzer.at
  • der-schweitzer.de
  • kalender.steelcloud.de
  • kontakte.steelcloud.de
  • mail.steelhost.de
  • steelcloud.de
  • steelhost.de
  • steelmail.de
  • www.der-schweitzer.at
  • www.der-schweitzer.de
  • www.steelcloud.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-06-02
Not valid after
2020-08-31
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
CA:20:F8:5C:8C:DD:8D:8E:AB:AC:84:C0:F8:67:10:B8:62:D6:4F:83:90:83:B1:B9:FA:C9:0B:A2:41:02:E6:BF
SHA1
44:24:13:D6:DE:8C:D7:C5:D3:51:94:CD:87:9D:99:91:AE:96:48:19
X509v3 extensions
subjectKeyIdentifier
  • 81:3F:1C:5E:F4:3E:E0:10:06:5C:DC:DF:EC:08:39:D7:50:72:D8:9C
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 : E7:12:F2:B0:37:7E:1A:62:FB:8E:C9:0C:61:84:F1:EA:
  • 7B:37:CB:56:1D:11:26:5B:F3:E0:F3:4B:F2:41:54:6E
  • Timestamp : Jun 2 16:06:03.574 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:C8:6E:CB:70:0B:61:37:29:25:B0:8E:
  • 89:F4:42:1C:40:FF:A5:46:8C:65:F3:E8:BF:9A:6D:B1:
  • A3:7E:ED:AF:A0:02:20:34:26:C5:97:43:04:93:82:03:
  • C1:2D:E3:21:E6:11:89:B6:9F:86:5B:F2:FE:FF:CD:84:
  • 53:2A:83:76:93:55:E4
  • 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 : Jun 2 16:06:03.561 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:CB:7F:37:63:A3:E6:69:11:16:5E:5B:
  • CF:8C:7B:1F:6A:3C:E8:04:88:CD:EA:33:6D:53:A6:4D:
  • E4:C7:4B:99:FE:02:20:42:98:67:FA:0E:9D:21:17:C5:
  • 71:A2:51:5F:BB:A2:91:12:9E:5E:E9:5E:AB:B4:5D:4F:
  • 4B:76:B3:F9:D4:1F:B1