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si.edu

TLS 1.3 TLS_AES_128_GCM_SHA256
Leaf Certificate
Subject *.si.edu
Issuer InCommon RSA Server CA 2
Valid From Aug 11, 2025
Valid Until Sep 11, 2026 (26 days)
Algorithm SHA256-RSA
Subject Alternative Names
*.si.edusi.edu
Intermediate
Subject InCommon RSA Server CA 2
Issuer USERTrust RSA Certification Authority
Valid From Nov 16, 2022
Valid Until Nov 15, 2032 (2283 days)
Algorithm SHA384-RSA
Intermediate
Subject USERTrust RSA Certification Authority
Issuer AAA Certificate Services
Valid From Mar 12, 2019
Valid Until Dec 31, 2028 (868 days)
Algorithm SHA384-RSA
Intermediate
Subject AAA Certificate Services
Issuer AAA Certificate Services
Valid From Jan 1, 2004
Valid Until Dec 31, 2028 (868 days)
Algorithm SHA1-RSA

Findings

✓ TLS 1.3 supported
⚠ SSL certificate expires in 26 days
✓ Certificate covers 2 domains (SANs)

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Other reports for si.edu

Security Headers
CSP, HSTS, X-Frame-Options grade for this site
DNS Lookup
Query A, AAAA, MX, TXT, NS, CNAME, and SOA records with authoritative timing.
Redirect Checker
Trace the full HTTP redirect chain, flag loops, and surface mixed-content downgrades.

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