TLS 1.3 TLS_AES_128_GCM_SHA256
Leaf Certificate
Subject *.atom.io
Issuer Sectigo Public Server Authentication CA DV R36
Valid From Jul 30, 2026
Valid Until Oct 27, 2026 (72 days)
Algorithm SHA256-RSA
Subject Alternative Names
*.atom.ioapi.atom.ioatom.ioblog.atom.iodiscuss.atom.ioflight-manual.atom.iogithub.atom.ioide.atom.iostatus.atom.ioteletype.atom.iowww.atom.io
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
Findings
✓ TLS 1.3 supported
✓ SSL certificate valid (72 days remaining)
✓ Certificate covers 11 domains (SANs)
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