SSL-Tools

SSL check results of sebik.org

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Discover if the mail servers for sebik.org 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 Sun, 25 Oct 2020 20:41:47 +0000

The mailservers of sebik.org can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @sebik.org addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
srv01.sebik.org
151.80.152.9
 5
supported
sebik.org
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s

Outgoing Mails

We have not received any emails from a @sebik.org address so far. Test mail delivery

Certificates

First seen at:

CN=sebik.org

Certificate chain
Subject
Common Name (CN)
  • sebik.org
Alternative Names
  • admin.sebik.org
  • mail.sebik.org
  • sebik.org
  • srv01.sebik.org
  • webmail.sebik.org
  • www.sebik.org
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-10-24
Not valid after
2021-01-22
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
5C:45:78:EF:40:4E:49:91:C9:C7:85:EE:A5:33:1F:2A:C4:9E:5D:0F:21:AA:D1:93:F2:32:7C:6C:DF:61:5F:4E
SHA1
0F:40:7B:BD:42:65:4E:A3:F9:DD:B2:3E:16:98:7E:C6:8D:49:F3:4F
X509v3 extensions
subjectKeyIdentifier
  • 0D:BF:68:62:8D:49:00:36:52:01:04:7F:A5:4E:7C:80:0A:2C:A1:09
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 : 5C:DC:43:92:FE:E6:AB:45:44:B1:5E:9A:D4:56:E6:10:
  • 37:FB:D5:FA:47:DC:A1:73:94:B2:5E:E6:F6:C7:0E:CA
  • Timestamp : Oct 24 09:08:56.221 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:F9:95:23:C9:B1:9A:41:35:09:D7:E5:
  • 02:D0:1F:23:8B:63:C7:4E:0A:C5:E2:45:43:FE:C9:2A:
  • 57:69:18:B6:D9:02:20:6F:39:11:26:11:C9:D4:A9:8E:
  • 62:BB:43:AA:4E:3F:94:A4:EB:B5:D2:25:6E:E2:A8:E6:
  • D0:AA:22:66:6D:F5:A8
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7D:3E:F2:F8:8F:FF:88:55:68:24:C2:C0:CA:9E:52:89:
  • 79:2B:C5:0E:78:09:7F:2E:6A:97:68:99:7E:22:F0:D7
  • Timestamp : Oct 24 09:08:56.275 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:2A:89:93:D4:D6:60:E9:61:A1:84:A1:3A:
  • 18:10:C7:1C:E4:EE:05:1C:9B:FD:51:4D:C2:65:4C:50:
  • 92:A6:92:FE:02:21:00:A3:CD:AA:46:EC:C2:B0:84:AB:
  • 6B:BE:8A:5C:9F:D2:89:5D:E1:54:9A:95:01:5B:0D:FF:
  • 19:9D:A3:75:42:8B:DD