SSL-Tools

SSL check results of vlsi.ee.noda.tus.ac.jp

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Discover if the mail servers for vlsi.ee.noda.tus.ac.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 Sun, 05 Jul 2020 18:53:00 +0000

No connection to the mailservers of vlsi.ee.noda.tus.ac.jp could be established.

Servers

Incoming Mails

These servers are responsible for incoming mails to @vlsi.ee.noda.tus.ac.jp addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.vlsi.ee.noda.tus.ac.jp
133.31.107.40
Results incomplete
10
supported
*.vlsi.ee.noda.tus.ac.jp
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
10 s

Outgoing Mails

We have not received any emails from a @vlsi.ee.noda.tus.ac.jp address so far. Test mail delivery

Certificates

First seen at:

CN=*.vlsi.ee.noda.tus.ac.jp

Certificate chain
Subject
Common Name (CN)
  • *.vlsi.ee.noda.tus.ac.jp
Alternative Names
  • *.vlsi.ee.noda.tus.ac.jp
  • vlsi.ee.noda.tus.ac.jp
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-04-19
Not valid after
2020-07-18
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
8C:76:C2:52:1C:9A:C4:AE:65:B8:04:4F:11:D7:6D:BB:1B:68:E3:3C:80:1C:C5:DD:96:FF:6C:71:2A:8C:47:90
SHA1
12:43:31:04:96:E5:87:FA:67:AB:AF:1E:CF:AA:6C:83:2B:3B:B4:E3
X509v3 extensions
subjectKeyIdentifier
  • 87:63:26:30:C4:75:7D:6B:C2:2E:D1:FD:42:82:8A:CC:1A:53:EB:9C
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 : E7:12:F2:B0:37:7E:1A:62:FB:8E:C9:0C:61:84:F1:EA:
  • 7B:37:CB:56:1D:11:26:5B:F3:E0:F3:4B:F2:41:54:6E
  • Timestamp : Apr 19 21:26:11.255 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:0D:C0:F4:F0:20:59:74:5C:87:4D:AE:67:
  • C0:4D:1A:A8:AB:CA:5D:7C:BB:0D:70:5C:3F:B4:0A:0A:
  • 11:F7:FC:F7:02:20:16:3E:92:A3:66:05:4D:7E:19:0B:
  • 83:1C:F5:F4:BA:DD:34:47:76:E0:7D:75:74:C8:71:0F:
  • F2:64:05:FB:12:F3
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : B2:1E:05:CC:8B:A2:CD:8A:20:4E:87:66:F9:2B:B9:8A:
  • 25:20:67:6B:DA:FA:70:E7:B2:49:53:2D:EF:8B:90:5E
  • Timestamp : Apr 19 21:26:11.242 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:EA:71:C5:AC:44:64:F5:15:63:A6:A6:
  • 30:53:75:1C:5E:8B:D2:8B:A2:F0:7A:D6:77:09:32:A8:
  • D6:4B:E8:39:B8:02:21:00:A3:A4:84:49:38:F9:D6:A3:
  • 68:F1:8D:4F:C3:A7:99:BF:59:AA:1A:4D:C3:5F:33:AE:
  • 4E:69:B3:9C:CB:04:01:28