SSL-Tools

SSL check results of puzzleit.club

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Discover if the mail servers for puzzleit.club 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

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Report created Mon, 25 May 2020 10:58:04 +0000

The mailservers of puzzleit.club can be reached through an encrypted connection.

However, we found problems that may affect the security.

Servers

Incoming Mails

These servers are responsible for incoming mails to @puzzleit.club addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.puzzleit.club
2a01:4f9:2b:1bec::2
 5
supported
mail.puzzleit.club
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s
mail.puzzleit.club
95.216.118.19
 5
supported
mail.puzzleit.club
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 @puzzleit.club address so far. Test mail delivery

Certificates

First seen at:

CN=mail.puzzleit.club

Certificate chain
Subject
Common Name (CN)
  • mail.puzzleit.club
Alternative Names
  • mail.puzzleit.club
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2019-07-11
Not valid after
2019-10-09
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
7E:9C:AE:A4:30:00:CA:FB:D4:59:14:A0:94:02:23:72:B2:FB:02:B9:FE:73:16:F2:54:F3:45:B0:0A:AC:2C:6B
SHA1
B5:E3:BE:71:2C:C0:5B:9A:79:AF:1B:A0:6A:8E:C1:2B:F6:DB:33:5E
X509v3 extensions
subjectKeyIdentifier
  • 73:B3:23:02:0F:E0:94:85:5A:A9:60:C2:29:12:9B:39:3D:F0:C7:84
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 11 11:01:34.934 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:D2:20:EB:D8:9B:6C:FD:28:24:E0:2F:
  • 98:FA:93:5F:BB:4A:6F:85:EA:E1:9D:F1:52:AF:C3:B0:
  • 78:75:A5:8A:EA:02:21:00:A7:37:CE:BF:3E:08:65:62:
  • 75:0C:33:09:08:5F:16:46:2A:76:21:80:BD:1B:A6:1F:
  • 17:32:D7:D9:CC:21:CD:99
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 29:3C:51:96:54:C8:39:65:BA:AA:50:FC:58:07:D4:B7:
  • 6F:BF:58:7A:29:72:DC:A4:C3:0C:F4:E5:45:47:F4:78
  • Timestamp : Jul 11 11:01:34.777 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:72:78:3F:D5:83:CA:B6:33:A6:9F:70:68:
  • AE:2D:27:97:5E:C2:4A:B0:C9:3A:A3:35:D0:7C:BE:6A:
  • 64:A9:FC:D6:02:21:00:D6:78:0C:FC:59:FA:7B:FF:34:
  • 41:E5:29:5F:0B:10:F4:52:BD:4D:C4:AC:D6:58:71:46:
  • A7:F7:9C:D6:38:6E:6D