SSL-Tools

SSL check results of sekisuihouse.co.jp

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Discover if the mail servers for sekisuihouse.co.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 Fri, 19 Apr 2024 00:47:18 +0000

The mailservers of sekisuihouse.co.jp can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @sekisuihouse.co.jp addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
i1301.mailsecurity-nec.jp
202.247.104.119
 10
supported
*.mailsecurity-nec.jp
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
25 s

Outgoing Mails

We have not received any emails from a @sekisuihouse.co.jp address so far. Test mail delivery

Certificates

First seen at:

CN=*.mailsecurity-nec.jp,O=NEC Corporation,L=Minato-ku,ST=Tokyo,C=JP

Certificate chain
Subject
Country (C)
  • JP
State (ST)
  • Tokyo
Locality (L)
  • Minato-ku
Organization (O)
  • NEC Corporation
Common Name (CN)
  • *.mailsecurity-nec.jp
Alternative Names
  • *.mailsecurity-nec.jp
  • mailsecurity-nec.jp
Issuer
Country (C)
  • JP
Organization (O)
  • Cybertrust Japan Co., Ltd.
Common Name (CN)
  • Cybertrust Japan SureServer CA G4
validity period
Not valid before
2024-02-06
Not valid after
2025-02-08
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
31:59:92:44:E5:79:6D:C2:A7:78:18:53:08:B6:D3:85:8F:A5:04:67:D1:28:E4:5F:51:99:B2:6B:A5:09:EE:95
SHA1
DD:08:23:06:C9:30:4D:B3:21:D9:8F:A4:55:69:F5:4E:BF:02:D5:B3
X509v3 extensions
certificatePolicies
  • Policy: 2.23.140.1.2.2
  • Policy: 1.2.392.200081.1.23.1
  • CPS: https://www.cybertrust.ne.jp/ssl/repository/index.html
authorityInfoAccess
  • OCSP - URI:http://ssocsp.cybertrust.ne.jp/OcspServer
  • CA Issuers - URI:http://crl.cybertrust.ne.jp/SureServer/ovcag4/ovcag4.crt
authorityKeyIdentifier
  • keyid:62:A7:D2:DA:DE:85:B6:92:F1:85:BC:F6:E8:95:9D:75:A0:FA:4E:1F
crlDistributionPoints
  • Full Name:
  • URI:http://crl.cybertrust.ne.jp/SureServer/ovcag4/cdp.crl
subjectKeyIdentifier
  • 93:AA:2E:69:A5:27:D5:28:0A:71:10:9D:FC:F5:C3:94:5D:31:CC:57
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB:
  • 1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF
  • Timestamp : Feb 6 01:21:41.682 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:FD:95:64:56:86:6A:97:B6:8C:E1:4B:
  • 23:50:2D:BC:B5:00:A9:48:68:C5:F2:AF:D5:5F:7C:A8:
  • 15:E5:0D:91:46:02:20:67:3A:67:64:DC:2D:47:59:61:
  • 6C:16:A8:90:A9:D4:73:F4:1C:48:14:0C:2D:94:59:D1:
  • F3:1B:01:65:6D:40:40
  • 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 : Feb 6 01:21:43.215 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:42:9F:B2:15:40:D7:F8:0C:B2:2A:05:65:
  • F6:A1:37:A0:B4:DB:89:3F:CA:F1:21:78:80:D0:74:AA:
  • B7:EB:BD:D2:02:20:0E:46:F7:AC:14:71:F9:75:5A:94:
  • 94:4E:61:18:11:69:B7:97:BC:AC:F5:CF:9A:BA:7D:6F:
  • 4E:24:AF:94:1C:69
  • 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 : Feb 6 01:21:50.677 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:06:A7:2F:4E:C6:FB:8B:C3:EC:47:0D:EE:
  • DE:C7:17:A5:53:BC:86:6C:CA:3F:AF:35:F2:51:0D:82:
  • BC:3B:68:F8:02:20:1C:6E:C1:25:31:9B:25:99:9E:E2:
  • A9:A2:2F:7D:BB:B9:60:3B:9A:7F:04:89:4F:73:14:B6:
  • B3:44:A4:5F:BB:D7