SSL check results of danner-it.de

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Discover if the mail servers for danner-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 Tue, 26 May 2020 04:56:49 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail2.danner-it.de
217.6.217.74
8
supported
mail2.danner-it.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
mail.danner-it.de
195.4.131.203
Results incomplete
20 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail2.danner-it.de

Certificate chain
Subject
Common Name (CN)
  • mail2.danner-it.de
Alternative Names
  • mail2.danner-it.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-04-05
Not valid after
2020-07-04
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
D4:33:0D:3C:9D:F3:53:FC:66:EE:DF:CD:FD:E5:7A:E3:A1:28:AA:6E:65:4D:F9:FD:63:C7:D9:FE:78:41:42:B9
SHA1
F3:3E:5B:3E:6B:D7:65:F1:75:5C:CC:2E:56:D9:24:EE:8F:D8:C6:9F
X509v3 extensions
subjectKeyIdentifier
  • D3:F4:87:2F:3F:55:3B:3E:EB:BE:E4:87:59:70:48:F5:7E:C8:C1:F9
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 : Apr 5 03:49:19.891 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:9F:D0:D8:95:9F:11:4B:39:E7:B5:C4:
  • 46:FC:B2:F9:E4:9E:D0:8A:06:6F:6C:68:99:D6:C5:18:
  • 84:FC:5A:58:5C:02:21:00:A6:89:48:7B:7F:FF:55:82:
  • D0:2E:8F:16:2D:24:53:64:A4:EA:6A:80:49:F3:5C:93:
  • F5:21:09:A4:39:BF:4D:F8
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 07:B7:5C:1B:E5:7D:68:FF:F1:B0:C6:1D:23:15:C7:BA:
  • E6:57:7C:57:94:B7:6A:EE:BC:61:3A:1A:69:D3:A2:1C
  • Timestamp : Apr 5 03:49:19.933 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:D2:A9:64:77:53:8B:34:0B:1B:E4:C9:
  • D5:F3:E1:2B:B9:01:07:30:7E:02:CA:B8:0A:F6:D1:BC:
  • F2:B8:B5:B5:6B:02:21:00:E9:57:5A:F3:38:05:8C:3A:
  • 74:38:86:10:3F:00:ED:50:9B:A9:23:2D:CA:A6:38:A7:
  • 75:CF:DC:B7:02:BA:94:97