SSL-Tools

SSL check results of jotom.tjhlabs.co.uk

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Discover if the mail servers for jotom.tjhlabs.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

JSON Refresh

Report created Sat, 21 Dec 2024 01:30:32 +0000

The mailservers of jotom.tjhlabs.co.uk can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @jotom.tjhlabs.co.uk addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.jotom.tjhlabs.co.uk
81.98.75.154
 10
supported
mail.jotom.tjhlabs.co.uk
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
11 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.jotom.tjhlabs.co.uk

Certificate chain
  • mail.jotom.tjhlabs.co.uk
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
      • R11
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.jotom.tjhlabs.co.uk
Alternative Names
  • autoconfig.jotom.tjhlabs.co.uk
  • autoconfig.ttj.tjhlabs.co.uk
  • autodiscover.jotom.tjhlabs.co.uk
  • autodiscover.ttj.tjhlabs.co.uk
  • mail.jotom.tjhlabs.co.uk
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R11
validity period
Not valid before
2024-12-20
Not valid after
2025-03-20
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
20:97:FF:F9:2E:E4:B9:ED:AC:64:C7:CB:F4:E3:D5:90:B0:6B:FD:65:75:6A:D8:0B:54:1D:15:DE:81:44:5F:2C
SHA1
9B:98:76:94:A1:C3:10:AF:F2:1B:01:81:5F:56:9C:22:8A:50:21:4B
X509v3 extensions
subjectKeyIdentifier
  • 3A:F2:E2:00:8B:CF:A8:B1:B9:CE:E0:A7:10:FA:AF:3E:30:FC:B7:B6
authorityKeyIdentifier
  • keyid:C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
authorityInfoAccess
  • OCSP - URI:http://r11.o.lencr.org
  • CA Issuers - URI:http://r11.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53:
  • D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7
  • Timestamp : Dec 20 15:49:37.826 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:52:37:69:EE:B7:B4:DA:90:35:1D:80:B7:
  • 99:B5:19:34:E2:E2:4C:CA:2A:88:AF:81:C4:9A:16:CA:
  • BF:3E:4A:86:02:20:0D:FC:DF:0D:CA:33:12:27:82:87:
  • E9:DD:3D:B9:80:F2:47:65:7E:2D:43:C8:65:B2:E8:AC:
  • F5:4E:55:87:71:FF
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9:
  • 1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08
  • Timestamp : Dec 20 15:49:37.877 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:0E:5C:8E:E3:8B:B7:0F:0D:ED:09:76:DB:
  • 43:20:D8:20:96:FC:7B:A6:61:1A:F9:48:79:3E:65:77:
  • DC:BA:D2:8F:02:21:00:AE:FC:AE:13:0E:94:51:95:FA:
  • 1B:00:2A:1C:6C:59:22:EE:11:63:04:6E:27:89:66:4C:
  • EB:98:06:07:FF:51:E1