SSL-Tools

SSL check results of de3.1ne.de

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Discover if the mail servers for de3.1ne.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 Wed, 13 Jan 2021 20:41:15 +0000

The mailservers of de3.1ne.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @de3.1ne.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
de3.1ne.de
95.216.32.24
 -
supported
de3.1ne.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
8 s
de3.1ne.de
2a01:4f9:2a:2067::2
 -
supported
de3.1ne.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s

Outgoing Mails

We have not received any emails from a @de3.1ne.de address so far. Test mail delivery

Certificates

First seen at:

CN=de3.1ne.de

Certificate chain
Subject
Common Name (CN)
  • de3.1ne.de
Alternative Names
  • de3.1ne.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-11-26
Not valid after
2021-02-24
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
71:F8:33:99:B5:1F:DC:DF:6D:9C:20:6D:8C:F7:38:36:A1:12:F7:ED:88:A2:F4:85:13:F6:BE:27:D9:F3:E6:89
SHA1
39:A6:96:0D:C8:67:50:43:2D:7A:60:68:94:A4:ED:2D:16:CF:FC:DC
X509v3 extensions
subjectKeyIdentifier
  • 63:FB:F3:FA:2E:BE:54:B0:10:C9:49:4F:2E:ED:5E:8F:64:8E:37:05
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 : 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 : Nov 26 02:07:01.824 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:EE:FA:AA:7E:C3:38:85:10:92:04:86:
  • FA:58:D2:E1:E4:56:9D:CC:4E:6B:92:EC:74:0A:28:AE:
  • 51:F9:8F:3E:2E:02:21:00:E5:7F:B7:D2:93:96:5A:B7:
  • 73:64:80:26:A8:E1:05:6E:D2:81:43:C5:19:CA:A9:F3:
  • 8C:2C:56:D0:F5:54:F8:F9
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : F6:5C:94:2F:D1:77:30:22:14:54:18:08:30:94:56:8E:
  • E3:4D:13:19:33:BF:DF:0C:2F:20:0B:CC:4E:F1:64:E3
  • Timestamp : Nov 26 02:07:01.781 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:EE:80:68:C5:D1:E0:C5:3C:5B:CD:72:
  • 56:E6:F9:88:9F:96:83:93:B2:1B:4C:75:4C:44:E2:99:
  • 4B:47:AB:F2:85:02:20:03:0B:5E:D7:F7:D1:95:C6:93:
  • 8F:EE:86:15:A7:7B:E6:0A:98:26:4F:4A:EB:58:7B:9F:
  • 5E:8C:D5:E0:1B:F8:FE