SSL-Tools

SSL check results of think.jrsi.ne.jp

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Discover if the mail servers for think.jrsi.ne.jp 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 Thu, 09 Jul 2020 06:28:19 +0000

The mailservers of think.jrsi.ne.jp can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @think.jrsi.ne.jp addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
think.jrsi.ne.jp
211.9.46.83
 -
supported
think.jrsi.ne.jp
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
24 s

Outgoing Mails

We have not received any emails from a @think.jrsi.ne.jp address so far. Test mail delivery

Certificates

First seen at:

CN=think.jrsi.ne.jp

Certificate chain
Subject
Common Name (CN)
  • think.jrsi.ne.jp
Alternative Names
  • think.jrsi.ne.jp
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-07-09
Not valid after
2020-10-07
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
26:79:7E:CB:0F:BF:69:33:A1:6B:BA:DF:CF:02:AD:6D:83:18:D1:99:FD:DD:13:34:D1:89:4A:AB:D5:29:A0:56
SHA1
BA:31:52:DF:91:6C:89:7E:96:AD:52:9B:F1:15:75:29:63:46:DF:03
X509v3 extensions
subjectKeyIdentifier
  • D1:FD:5C:29:F4:1C:C6:B8:58:38:9D:4F:FA:3F:24:F7:CB:C9:33:73
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 : 07:B7:5C:1B:E5:7D:68:FF:F1:B0:C6:1D:23:15:C7:BA:
  • E6:57:7C:57:94:B7:6A:EE:BC:61:3A:1A:69:D3:A2:1C
  • Timestamp : Jul 9 06:23:24.153 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:DC:C5:23:FA:3E:D9:3B:86:1B:42:9B:
  • 21:C8:83:28:ED:32:C9:8E:9A:C7:BA:88:70:C1:12:9A:
  • 2C:A7:58:55:5A:02:21:00:A2:E7:39:FE:94:28:47:CA:
  • D1:BD:3C:8C:1D:3E:4C:F7:19:61:1C:4C:67:63:EA:41:
  • 8B:7E:C7:3F:2A:64:9A:77
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 6F:53:76:AC:31:F0:31:19:D8:99:00:A4:51:15:FF:77:
  • 15:1C:11:D9:02:C1:00:29:06:8D:B2:08:9A:37:D9:13
  • Timestamp : Jul 9 06:23:24.288 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:FF:A2:DA:C9:1D:FD:FB:D9:12:88:0C:
  • 73:95:8E:65:F4:D7:18:AE:F8:A9:7A:80:CE:69:47:8F:
  • 46:03:97:D5:5E:02:21:00:C0:B8:1A:1B:88:E0:3C:C2:
  • 8E:D2:1D:A0:11:3A:D1:02:B6:2F:6C:DB:98:39:F0:E4:
  • 84:99:28:04:08:33:AB:33