SSL-Tools

SSL check results of mail.copsys.co.uk

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Discover if the mail servers for mail.copsys.co.uk 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, 05 Oct 2026 00:30:15 +0000

The mailservers of mail.copsys.co.uk can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.copsys.co.uk addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.copsys.co.uk
82.71.7.74
 -
supported
mail.copsys.co.uk
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Outgoing Mails

We have not received any emails from a @mail.copsys.co.uk address so far. Test mail delivery

Certificates

First seen at:

CN=mail.copsys.co.uk

Certificate chain
  • mail.copsys.co.uk
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • YE2
        • remaining
        • 384 bit
        • ecdsa-with-SHA384
          • Root YE
            • remaining
            • 384 bit
            • ecdsa-with-SHA384
              • ISRG Root X2 (Certificate is self-signed.)
                • remaining
                • 384 bit
                • ecdsa-with-SHA384
Subject
Common Name (CN)
  • mail.copsys.co.uk
Alternative Names
  • mail.copsys.co.uk
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • YE2
validity period
Not valid before
2026-10-02
Not valid after
2026-12-31
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
Fingerprints
SHA256
B5:2E:87:BA:69:AE:4E:FE:71:C8:FA:D0:30:19:E8:95:97:C7:15:10:D8:26:1E:BD:0B:99:08:FB:AE:1F:5A:A1
SHA1
E8:BC:6A:C9:BA:82:C1:45:4C:2A:44:D7:A2:56:81:15:A5:CF:BC:8F
X509v3 extensions
subjectKeyIdentifier
  • 17:54:A2:4A:68:F5:B3:20:37:73:10:05:C0:9B:91:D3:00:9C:FD:19
authorityKeyIdentifier
  • keyid:B9:59:F2:8E:CF:22:F0:86:D3:37:48:FF:76:14:18:BA:82:D8:55:87
authorityInfoAccess
  • CA Issuers - URI:http://ye2.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://ye2.c.lencr.org/8.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 1A:8B:9D:6B:0F:FE:BF:81:B4:79:39:C6:D2:31:0A:86:
  • D6:D1:02:D4:F0:46:E2:18:2C:9D:E3:5F:5E:26:25:EF
  • Timestamp : Oct 2 15:53:42.572 2026 GMT
  • Extensions: 00:00:05:00:47:96:39:A9
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:E6:DF:CF:76:A9:8D:C7:08:37:C8:31:
  • 55:36:10:83:EB:67:0A:97:AB:EC:C6:CD:DC:B7:02:AA:
  • 80:1E:DF:AD:02:02:21:00:FE:A1:45:EE:16:C1:E5:8F:
  • 14:05:A2:D8:56:2B:18:2C:8B:3C:6A:FD:A1:23:BB:DF:
  • 21:1F:03:D9:2D:AB:23:0D
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9:
  • 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77
  • Timestamp : Oct 2 15:53:42.159 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:D5:16:58:1D:1A:B5:18:4F:B5:60:BB:
  • E8:89:28:A1:3C:B0:B8:FA:D0:E7:62:73:3B:00:5C:5D:
  • C9:A7:4D:66:19:02:20:7F:22:D1:DB:CB:8E:47:D7:FD:
  • 9C:A7:BD:92:97:CF:FA:4C:F0:F3:9C:31:30:5E:46:FE:
  • D0:E3:95:33:9D:A0:4F