TLS 1.3 TLS_AES_256_GCM_SHA384
Leaf Certificate
Subject *.krakow.pl
Issuer YR2
Valid From Jul 1, 2026
Valid Until Sep 29, 2026 (43 days)
Algorithm SHA256-RSA
Subject Alternative Names
*.krakow.plkrakow.pl
Intermediate
Subject YR2
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 1.3 supported
✓ SSL certificate valid (43 days remaining)
✓ Certificate covers 2 domains (SANs)
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