SSL check results of coduka.de

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Discover if the mail servers for coduka.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 01:30:31 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.coduka.de
2001:4178:6:1099:62:116:188:116
10
supported
mail.coduka.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
12 s
mail.coduka.de
62.116.188.116
10
supported
mail.coduka.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
12 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.coduka.de

Certificate chain
Subject
Common Name (CN)
  • mail.coduka.de
Alternative Names
  • mail.coduka.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
47:88:DA:64:53:A9:9A:CB:F2:D6:63:85:AF:1D:47:F6:35:23:24:85:17:78:77:D6:76:53:3D:BA:AA:BE:4D:6A
SHA1
A9:0A:27:39:05:7F:BF:8C:FF:EE:E1:E1:6D:29:1A:04:FD:2E:18:F8
X509v3 extensions
subjectKeyIdentifier
  • 6C:30:F7:F0:EE:50:7D:FF:51:14:BE:A0:7E:5D:5B:30:39:66:B6:9C
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 : 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 08:23:07.991 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:7B:F5:70:70:4A:C9:41:CE:B4:98:A4:87:
  • 9B:55:C7:02:C3:01:B4:71:C0:A4:53:58:C5:16:04:67:
  • 25:EA:72:00:02:20:0B:45:0C:D5:AD:16:F5:D4:41:E4:
  • 55:23:BE:D4:7E:C2:3A:4C:D7:34:14:34:51:8B:45:F2:
  • B2:EC:4C:1D:0B:64
  • 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 : Mar 26 08:23:08.038 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:D6:04:DE:6F:0A:8F:B7:88:15:09:69:
  • 52:03:66:0C:66:2C:1F:ED:45:6F:BD:4B:AC:D9:B3:2C:
  • 50:8E:4A:88:B7:02:20:41:7A:B4:0F:E3:91:E1:48:30:
  • 65:FB:D6:48:00:38:9F:DF:52:FE:24:96:05:F0:C7:25:
  • 8B:8D:3A:E3:C7:F0:18