SSL Checker

seesaa.net

TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256

Leaf Certificate

Subject blog.seesaa.jp

Issuer YR1

Valid From Jul 3, 2026

Valid Until Oct 1, 2026 (45 days)

Algorithm SHA256-RSA

Subject Alternative Names

*.blog.seesaa.jp*.gurume.net*.iiblog.jp*.ryokou.me*.seesaa.blog*.seesaa.net*.seesaa.space*.sokuho.org*.xblog.jp*.yarikomi.orgblog.seesaa.jpgurume.netiiblog.jpryokou.meseesaa.blogseesaa.netseesaa.spacesokuho.orgxblog.jpyarikomi.org

Intermediate

Subject YR1

Issuer Root YR

Valid From Sep 3, 2025

Valid Until Sep 2, 2028 (748 days)

Algorithm SHA256-RSA

Intermediate

Subject Root YR

Issuer ISRG Root X1

Valid From May 13, 2026

Valid Until Sep 2, 2032 (2209 days)

Algorithm SHA256-RSA

Findings

⚠ TLS 1.2 in use

✓ SSL certificate valid (45 days remaining)

✓ Certificate covers 20 domains (SANs)

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Security Headers

CSP, HSTS, X-Frame-Options grade for this site

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Redirect Checker

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