SSL-Tools

SSL check results of just-c.com

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Discover if the mail servers for just-c.com 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 Wed, 07 Dec 2022 09:40:47 +0000

The mailservers of just-c.com can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @just-c.com addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.just-c.com
156.67.178.91
 10
supported
*.just-c.com
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 @just-c.com address so far. Test mail delivery

Certificates

First seen at:

CN=*.just-c.com

Certificate chain
Subject
Common Name (CN)
  • *.just-c.com
Alternative Names
  • *.just-c.com
  • just-c.com
Issuer
Country (C)
  • GB
State (ST)
  • Greater Manchester
Locality (L)
  • Salford
Organization (O)
  • Sectigo Limited
Common Name (CN)
  • Sectigo RSA Domain Validation Secure Server CA
validity period
Not valid before
2022-11-30
Not valid after
2023-12-30
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
B1:F0:01:C6:58:46:D9:63:C4:4A:4A:98:CF:ED:46:9D:B2:E0:1F:7B:9B:AD:B9:F8:71:CF:CA:E7:8F:42:54:39
SHA1
62:A3:AA:0F:2B:B7:67:CE:B6:B9:17:D5:72:5E:38:BE:4B:51:02:6D
X509v3 extensions
authorityKeyIdentifier
  • keyid:8D:8C:5E:C4:54:AD:8A:E1:77:E9:9B:F9:9B:05:E1:B8:01:8D:61:E1
subjectKeyIdentifier
  • B4:46:0C:36:2E:F2:17:AB:70:34:88:00:01:4B:FB:43:C4:0B:43:5B
certificatePolicies
  • Policy: 1.3.6.1.4.1.6449.1.2.2.7
  • CPS: https://sectigo.com/CPS
  • Policy: 2.23.140.1.2.1
authorityInfoAccess
  • CA Issuers - URI:http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
  • OCSP - URI:http://ocsp.sectigo.com
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : AD:F7:BE:FA:7C:FF:10:C8:8B:9D:3D:9C:1E:3E:18:6A:
  • B4:67:29:5D:CF:B1:0C:24:CA:85:86:34:EB:DC:82:8A
  • Timestamp : Nov 30 08:48:30.860 2022 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:82:50:43:6E:E2:A4:9B:D2:4F:00:1C:
  • 48:B1:3A:BC:AA:DF:09:D1:E3:1A:89:84:15:E5:62:A8:
  • 98:A6:18:F8:71:02:20:2C:FC:6E:1B:39:3A:35:C9:51:
  • D5:4F:4B:72:E2:96:07:96:5C:D3:F3:25:57:1A:B8:0C:
  • E9:3B:22:B2:5E:04:E9
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7A:32:8C:54:D8:B7:2D:B6:20:EA:38:E0:52:1E:E9:84:
  • 16:70:32:13:85:4D:3B:D2:2B:C1:3A:57:A3:52:EB:52
  • Timestamp : Nov 30 08:48:30.792 2022 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:4B:C2:39:61:D6:74:4C:E4:8F:57:F1:3C:
  • DF:F4:D2:21:75:4F:55:78:6D:51:BE:50:6B:4A:FA:FE:
  • 63:E8:BA:03:02:20:22:D4:0E:96:90:A8:09:76:73:B4:
  • 05:06:F2:2D:29:39:C4:CB:E8:20:6A:2A:CE:75:84:61:
  • 17:7F:DC:4D:DC:9A
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : E8:3E:D0:DA:3E:F5:06:35:32:E7:57:28:BC:89:6B:C9:
  • 03:D3:CB:D1:11:6B:EC:EB:69:E1:77:7D:6D:06:BD:6E
  • Timestamp : Nov 30 08:48:30.757 2022 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:D5:49:3F:6F:C2:66:68:95:52:1F:90:
  • 75:6B:EC:C1:12:65:C4:32:4B:EE:61:06:E8:F9:5D:95:
  • B3:AB:B6:C0:07:02:20:0A:17:50:9A:C2:89:EC:1E:34:
  • A6:3D:58:D9:01:9E:6E:92:1E:A1:F1:E2:0A:C9:F1:FC:
  • 03:F4:E5:DF:CF:11:D5