SSL check results of dominikbreu.de

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Discover if the mail servers for dominikbreu.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 Thu, 23 Jul 2020 16:14:15 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
dominikbreu.de
2a03:4000:7:3d::1
10
supported
dominikbreu.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
dominikbreu.de
46.38.240.48
10
supported
dominikbreu.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s

Outgoing Mails

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

Certificates

First seen at:

CN=dominikbreu.de

Certificate chain
Subject
Common Name (CN)
  • dominikbreu.de
Alternative Names
  • dominikbreu.de
  • dominikbreu.dev
  • gitlab.dominikbreu.de
  • mail.dominikbreu.de
  • mail.schokokeks.me
  • mailman.dominikbreu.de
  • mock.schokokeks.me
  • schokokeks.me
  • sharelatex.dominikbreu.de
  • www.mock.schokokeks.me
  • www.schokokeks.me
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-07-03
Not valid after
2020-10-01
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
35:7F:62:C7:69:62:3F:4C:6D:67:69:6C:9B:EE:BA:4C:AE:BD:C2:13:8A:41:74:D2:1A:F4:E9:F8:A9:33:A0:79
SHA1
70:E8:94:FD:95:54:C4:EC:EE:2A:F6:1E:E1:C1:32:5A:0B:3F:08:2B
X509v3 extensions
subjectKeyIdentifier
  • F1:66:B0:2B:47:78:C4:A3:BC:0E:6C:4F:B2:1D:D2:29:7C:0A:6B:7B
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 : Jul 3 09:11:57.930 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:64:72:2D:0C:5E:0E:55:98:35:4E:7C:B9:
  • F8:8D:38:CD:27:EF:32:69:5F:51:1B:E5:65:93:79:58:
  • FC:10:98:AF:02:20:31:92:C2:E1:8D:09:C2:9F:EB:AF:
  • 64:A3:B8:7B:94:26:65:F4:D3:53:7E:02:2E:CF:F8:F3:
  • 69:A9:75:88:63:0F
  • 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 : Jul 3 09:11:58.386 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:6E:70:54:8D:08:55:95:97:47:DB:44:A1:
  • AE:A5:2A:42:EB:97:21:90:36:23:20:85:0F:D8:FE:69:
  • 50:5C:AC:1E:02:21:00:97:12:B5:E7:DC:58:B0:AA:06:
  • 46:B6:86:AA:6F:30:5F:5A:58:34:4F:23:D0:ED:BD:EB:
  • D9:24:CD:6A:4E:B3:6B