Is this domain’s certificate healthy?

Who issued it, which names it covers, when it expires, and whether the chain validates to a publicly-trusted root.

Example result

example-company.comValid and trusted3 of 3 fully passed
Valid

Certificate validity

This certificate is within its validity dates, with 63 days remaining before it expires on 12 Sep 2026.

example-company.com · 14 Jun 2026 → 12 Sep 2026
Matches

Hostname match

The certificate covers example-company.com, along with 1 other name. A browser will accept the name without warning.

Issued for: example-company.com, www.example-company.com
Trusted

Trust chain

Issued by R11, and the chain validates to a root in the public trust store. This is the full check — the chain was walked to a trusted root, not just checked for correct dates and a matching name.

Issued by R11 · 3 certificates presented

Example result · one TLS connection · nothing stored · no account

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