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 Wed, 27 May 2020 00:33:01 +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
2020-05-24
Not valid after
2020-08-22
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
53:5F:A8:89:06:CC:82:FA:3B:5E:84:8D:89:74:94:88:14:61:AC:79:99:DF:7A:58:29:A1:E7:86:F9:06:95:F6
SHA1
73:A9:E3:D2:FB:25:A1:1D:F0:C5:8E:0B:CA:F1:2B:9A:65:20:68:00
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 : 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 : May 25 00:19:19.255 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:8F:FB:92:2E:B0:C5:F6:53:87:B3:5A:
  • 05:F4:BB:CF:03:DF:3F:82:B9:8D:F1:58:A7:75:A8:85:
  • 23:1D:44:4A:EF:02:20:46:17:14:59:FF:93:39:0B:D8:
  • EB:44:6C:F0:2C:B6:12:BA:6D:3C:12:70:A8:7C:47:B4:
  • 8D:74:F5:23:13:FC:90
  • 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 : May 25 00:19:19.353 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:FE:4C:06:92:96:9E:92:1B:52:84:5B:
  • 37:5F:E2:AC:5C:37:34:0F:2B:35:4A:E5:2B:45:54:8C:
  • 5B:71:5F:27:35:02:20:5C:9D:22:A0:24:84:6F:98:6E:
  • 87:91:EA:83:50:BA:25:BF:F2:75:D6:08:E9:FB:F2:26:
  • F7:AB:91:57:CF:49:96