TLS 1.3 TLS_AES_128_GCM_SHA256
Leaf Certificate
Subject *.r-project.org
Issuer Sectigo Public Server Authentication CA DV R36
Valid From Dec 16, 2025
Valid Until Jan 16, 2027 (153 days)
Algorithm SHA256-RSA
Subject Alternative Names
*.r-project.orgr-project.org
Intermediate
Subject Sectigo Public Server Authentication CA DV R36
Issuer Sectigo Public Server Authentication Root R46
Valid From Mar 22, 2021
Valid Until Mar 21, 2036 (3505 days)
Algorithm SHA384-RSA
Intermediate
Subject Sectigo Public Server Authentication Root R46
Issuer USERTrust RSA Certification Authority
Valid From Mar 22, 2021
Valid Until Jan 18, 2038 (4173 days)
Algorithm SHA384-RSA
Intermediate
Subject USERTrust RSA Certification Authority
Issuer USERTrust RSA Certification Authority
Valid From Feb 1, 2010
Valid Until Jan 18, 2038 (4173 days)
Algorithm SHA384-RSA
Findings
✓ TLS 1.3 supported
✓ SSL certificate valid (153 days remaining)
✓ Certificate covers 2 domains (SANs)
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