kirari-ishikari.pref.hokkaido.lg.jpSSL Check Results
176
days until expiration
TLSv1.2
ECDHE-RSA-AES256-GCM-SHA384
SECOM Trust Systems Co., Ltd.
2048 bits
591E977A0FE71794F53F6077ED711ECC
93:CD:36:8B:11:B6:10:6A:29:8B:4B:15:B3:37:3E:41:30:48:5C:3C
8C:85:BE:E5:77:65:AB:39:BA:E6:49:13:7F:88:8C:EC:A6:24:90:A1:4F:E3:01:7B:68:80:D8:60:CE:5D:3C:79
Security Score
Excellent security configuration
SECOM Passport for Web OV RSA CA 2024
176 days
May 28, 2026
Nov 28, 2026
Security Analysis
Secure
Secure
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Certificate History
No historical data found
SSL Security Best Practices
Automate Renewals
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Use Strong Protocols
Always prefer TLS 1.3 or 1.2. Disable older, vulnerable protocols like SSL 3.0, TLS 1.0, and TLS 1.1 on your server.
Monitor Transparency
Keep an eye on Certificate Transparency (CT) logs to ensure no unauthorized certificates are issued for your domain.
Frequently Asked Questions
Everything you need to know about kirari-ishikari.pref.hokkaido.lg.jp's security status.
Q:When does kirari-ishikari.pref.hokkaido.lg.jp's SSL certificate expire?
kirari-ishikari.pref.hokkaido.lg.jp's certificate expires on November 28, 2026, which is in 176 days.
Q:Who issued the certificate for kirari-ishikari.pref.hokkaido.lg.jp?
It was issued by SECOM Trust Systems Co., Ltd.. This issuer is recognized by all major browsers.
Q:Is the connection to kirari-ishikari.pref.hokkaido.lg.jp safe?
Yes, the certificate is valid, meaning communication with kirari-ishikari.pref.hokkaido.lg.jp is encrypted and secure.
Q:Can I monitor this domain for free?
Yes! You can register at GuardSSL to get automatic alerts before kirari-ishikari.pref.hokkaido.lg.jp's certificate expires, preventing any downtime.