w3.org
- First observed
- 2026-08-16T11:17:01.311Z
- Last observed
- 2026-08-17T08:37:23.413Z
- Observation runs
- 2
- Certificates observed
- 11
- Change events
- 1
11 historical certificate observations were recorded in the baseline. Change tracking is active from this point forward. Baseline evidence is not treated as historical change events. 1 post-baseline observation and 1 change event have been recorded since.
- 2026-08-16T11:17:01.311ZBaseline established11 certificates observed
HISTORICAL BOOTSTRAP — historical evidence imported via SSLMate CT Search when this record was established. FORWARD OBSERVATION — observed directly from public CT logs by OMSHIFT.
- Issuer
- C=US, O=Let's Encrypt, CN=YR1
- Validity
- 2026-07-29T03:34:03Z → 2026-10-27T03:34:02Z
- First observed
- 2026-08-16T11:17:01.311Z
- Last observed
- 2026-08-17T08:37:23.413Z
- Source
- OMSHIFT CT Monitor (forward observation)
*.w3.org, w3.org
View certificate evidence →- Issuer
- C=US, O=Let's Encrypt, CN=YE2
- Validity
- 2026-07-29T03:34:07Z → 2026-10-27T03:34:06Z
- First observed
- 2026-08-16T11:17:01.311Z
- Last observed
- 2026-08-16T11:17:01.311Z
- Source
- SSLMate CT Search (historical bootstrap)
*.w3.org, w3.org
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WE1
- Validity
- 2026-07-09T02:48:43Z → 2026-10-07T03:48:25Z
- First observed
- 2026-08-16T11:17:01.311Z
- Last observed
- 2026-08-16T11:17:01.311Z
- Source
- SSLMate CT Search (historical bootstrap)
*.w3.org, w3.org
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WR1
- Validity
- 2026-07-09T02:48:18Z → 2026-10-07T03:47:54Z
- First observed
- 2026-08-16T11:17:01.311Z
- Last observed
- 2026-08-16T11:17:01.311Z
- Source
- SSLMate CT Search (historical bootstrap)
*.w3.org, w3.org
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WE1
- Validity
- 2026-07-09T02:27:01Z → 2026-10-07T03:26:34Z
- First observed
- 2026-08-16T11:17:01.311Z
- Last observed
- 2026-08-16T11:17:01.311Z
- Source
- SSLMate CT Search (historical bootstrap)
*.w3.org, w3.org
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WR1
- Validity
- 2026-07-09T02:26:26Z → 2026-10-07T03:26:23Z
- First observed
- 2026-08-16T11:17:01.311Z
- Last observed
- 2026-08-16T11:17:01.311Z
- Source
- SSLMate CT Search (historical bootstrap)
*.w3.org, w3.org
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WE1
- Validity
- 2026-07-02T15:34:58Z → 2026-09-30T16:34:53Z
- First observed
- 2026-08-16T11:17:01.311Z
- Last observed
- 2026-08-16T11:17:01.311Z
- Source
- SSLMate CT Search (historical bootstrap)
*.w3.org, w3.org
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WR1
- Validity
- 2026-07-02T15:34:47Z → 2026-09-30T16:33:19Z
- First observed
- 2026-08-16T11:17:01.311Z
- Last observed
- 2026-08-16T11:17:01.311Z
- Source
- SSLMate CT Search (historical bootstrap)
*.w3.org, w3.org
View certificate evidence →- Issuer
- C=FR, O=Gandi SAS, CN=GandiCert
- Validity
- 2026-06-30T00:00:00Z → 2027-01-14T23:59:59Z
- First observed
- 2026-08-16T11:17:01.311Z
- Last observed
- 2026-08-16T11:17:01.311Z
- Source
- SSLMate CT Search (historical bootstrap)
*.w3.org, w3.org
View certificate evidence →- Issuer
- C=US, O=Let's Encrypt, CN=YE1
- Validity
- 2026-05-29T17:56:07Z → 2026-08-27T17:56:06Z
- First observed
- 2026-08-16T11:17:01.311Z
- Last observed
- 2026-08-16T11:17:01.311Z
- Source
- SSLMate CT Search (historical bootstrap)
*.w3.org, w3.org
View certificate evidence →- Issuer
- C=US, O=Let's Encrypt, CN=YR1
- Validity
- 2026-05-29T07:04:53Z → 2026-08-27T07:04:52Z
- First observed
- 2026-08-16T11:17:01.311Z
- Last observed
- 2026-08-16T11:17:01.311Z
- Source
- SSLMate CT Search (historical bootstrap)
*.w3.org, w3.org
View certificate evidence →Certificate Transparency observation does not prove a certificate is currently served by this domain, and SAN presence does not prove ownership. See /method for the full trust contract.