SSL check results of plazzer.de

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Discover if the mail servers for plazzer.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, 08 Nov 2019 19:25:17 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
utm.plazzer.de
217.28.102.154
10
supported
utm.plazzer.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 @plazzer.de address so far. Test mail delivery

Certificates

First seen at:

CN=utm.plazzer.de

Certificate chain
Subject
Common Name (CN)
  • utm.plazzer.de
Alternative Names
  • utm.plazzer.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2019-09-26
Not valid after
2019-12-25
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
93:D5:85:2F:C0:50:F4:2E:F6:D8:FC:14:B7:C6:88:08:64:4B:12:62:3A:42:DA:7A:5C:76:72:19:EF:F3:53:26
SHA1
1D:3A:99:F4:7F:A5:E4:09:4C:E2:E7:0B:77:D3:7F:EC:61:BB:59:C7
X509v3 extensions
subjectKeyIdentifier
  • FF:5A:1C:2D:53:71:2F:79:FC:E7:6D:3B:2C:02:91:00:81:81:FA:61
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 : E2:69:4B:AE:26:E8:E9:40:09:E8:86:1B:B6:3B:83:D4:
  • 3E:E7:FE:74:88:FB:A4:8F:28:93:01:9D:DD:F1:DB:FE
  • Timestamp : Sep 26 22:21:59.062 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:F2:2B:28:AB:E9:1C:AC:F1:C7:3E:71:
  • A5:00:B9:30:95:19:76:33:01:56:D8:4E:DE:6B:9C:81:
  • FF:BA:DD:C3:81:02:21:00:87:8A:A9:7A:74:AF:3B:04:
  • 0F:E5:E0:80:03:1E:AB:99:6F:81:85:A6:6A:C9:9E:F2:
  • E9:C2:B0:1F:7F:E8:C3:87
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 63:F2:DB:CD:E8:3B:CC:2C:CF:0B:72:84:27:57:6B:33:
  • A4:8D:61:77:8F:BD:75:A6:38:B1:C7:68:54:4B:D8:8D
  • Timestamp : Sep 26 22:21:59.067 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:93:7C:DA:E5:D7:7F:A3:72:5C:92:EE:
  • D6:C8:2E:10:E9:92:64:FC:F1:FF:2E:E4:9C:EE:3B:3D:
  • E0:DC:C2:D7:B3:02:20:68:38:57:86:A2:D1:69:90:D6:
  • 5C:BF:9A:B5:0C:5D:A6:2E:1C:FC:F0:B8:5B:14:30:1B:
  • 86:E9:7E:37:99:5F:45