CERTIFICATE INTELLIGENCE

See what changed in a domain’s public certificates.

Certificate Transparency observations, preserved and compared over time.

EXAMPLE — CERTIFICATE DELTA

Illustrative, static demonstration data — not a live observation.

CERTIFICATE DELTA

Observed 2026-08-12 09:14 UTC

Let's Encrypt

3 SANs

ISSUER issuer differs from previous observed issuance

SAN SAN set differs from previous observed issuance

OBSERVED

Google Trust Services

4 SANs

added api.example.com
added status.example.com
removed old.example.com

OMSHIFT observes public Certificate Transparency records. It does not verify which certificate a domain is currently serving. Read the method for what this evidence does and does not prove.