SSL-Tools

SSL check results of plesk3300.is.cc

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Discover if the mail servers for plesk3300.is.cc 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

JSON Refresh

Report created Fri, 30 Sep 2022 19:29:01 +0000

The mailservers of plesk3300.is.cc can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @plesk3300.is.cc addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
plesk3300.is.cc
174.138.186.50
 -
supported
plesk3300.is.cc
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
4 s

Outgoing Mails

We have not received any emails from a @plesk3300.is.cc address so far. Test mail delivery

Certificates

First seen at:

CN=plesk3300.is.cc

Certificate chain
  • plesk3300.is.cc
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • plesk3300.is.cc
Alternative Names
  • plesk3300.is.cc
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2022-09-30
Not valid after
2022-12-29
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
C1:60:D7:F9:C8:F6:CD:74:CC:41:65:F9:B0:26:0C:C8:BC:39:70:D7:BD:BC:2A:9D:1F:10:83:53:D8:F6:1D:5E
SHA1
A2:51:16:39:31:1A:E0:8A:DA:B5:92:D2:A5:50:AC:11:02:C8:10:B5
X509v3 extensions
subjectKeyIdentifier
  • 47:1E:CF:27:0C:53:8A:46:A3:2B:CB:DA:B5:F1:5C:A8:CB:45:B4:A1
authorityKeyIdentifier
  • keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
authorityInfoAccess
  • OCSP - URI:http://r3.o.lencr.org
  • CA Issuers - URI:http://r3.i.lencr.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 : 41:C8:CA:B1:DF:22:46:4A:10:C6:A1:3A:09:42:87:5E:
  • 4E:31:8B:1B:03:EB:EB:4B:C7:68:F0:90:62:96:06:F6
  • Timestamp : Sep 30 19:28:31.244 2022 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:1D:C6:83:B6:9E:66:0C:F9:0F:BF:41:9C:
  • A3:BA:D5:1B:DA:84:FE:96:93:E1:63:A6:CA:29:0F:35:
  • BD:F0:24:08:02:21:00:82:50:34:5A:A2:4A:99:A7:CB:
  • 55:0E:46:06:36:81:F6:3A:CF:99:3E:BD:AB:98:F9:CF:
  • C1:A8:6F:DD:07:90:34
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 46:A5:55:EB:75:FA:91:20:30:B5:A2:89:69:F4:F3:7D:
  • 11:2C:41:74:BE:FD:49:B8:85:AB:F2:FC:70:FE:6D:47
  • Timestamp : Sep 30 19:28:31.249 2022 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:0D:96:23:40:87:7B:2A:CD:37:74:A7:B9:
  • 98:86:53:99:F4:61:B1:31:3A:8E:6A:2C:1A:79:E3:2D:
  • 19:99:B8:C8:02:20:31:91:FC:81:53:04:BF:27:3A:CB:
  • 24:F4:5E:EE:73:BD:9D:17:46:11:37:AA:C9:3B:DC:90:
  • 7E:4F:F6:E9:27:F5