DOMAIN RECORD

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

BASELINE ESTABLISHED

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.


OBSERVATION RAIL
  1. 2026-08-16T11:17:01.311Z
    Baseline established
    11 certificates observed
  2. 2026-08-17T08:37:39.120Z
    Forward observation
    New certificate issuance observed
    View evidence →
CERTIFICATE DELTA
Observed 2026-08-17T08:37:39.120Z
PREVIOUS
C=US, O=Let's Encrypt, CN=YR1
2 SANs
no delta
OBSERVED
C=US, O=Let's Encrypt, CN=YR1
2 SANs

LATEST CERTIFICATE EVIDENCE

HISTORICAL BOOTSTRAP — historical evidence imported via SSLMate CT Search when this record was established. FORWARD OBSERVATION — observed directly from public CT logs by OMSHIFT.

FORWARD OBSERVATION
Issuer
C=US, O=Let's Encrypt, CN=YR1
Validity
2026-07-29T03:34:03Z2026-10-27T03:34:02Z
First observed
2026-08-16T11:17:01.311Z
Last observed
2026-08-17T08:37:23.413Z
Source
OMSHIFT CT Monitor (forward observation)
SAN NAMES (2)

*.w3.org, w3.org

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=US, O=Let's Encrypt, CN=YE2
Validity
2026-07-29T03:34:07Z2026-10-27T03:34:06Z
First observed
2026-08-16T11:17:01.311Z
Last observed
2026-08-16T11:17:01.311Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (2)

*.w3.org, w3.org

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=US, O=Google Trust Services, CN=WE1
Validity
2026-07-09T02:48:43Z2026-10-07T03:48:25Z
First observed
2026-08-16T11:17:01.311Z
Last observed
2026-08-16T11:17:01.311Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (2)

*.w3.org, w3.org

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=US, O=Google Trust Services, CN=WR1
Validity
2026-07-09T02:48:18Z2026-10-07T03:47:54Z
First observed
2026-08-16T11:17:01.311Z
Last observed
2026-08-16T11:17:01.311Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (2)

*.w3.org, w3.org

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=US, O=Google Trust Services, CN=WE1
Validity
2026-07-09T02:27:01Z2026-10-07T03:26:34Z
First observed
2026-08-16T11:17:01.311Z
Last observed
2026-08-16T11:17:01.311Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (2)

*.w3.org, w3.org

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=US, O=Google Trust Services, CN=WR1
Validity
2026-07-09T02:26:26Z2026-10-07T03:26:23Z
First observed
2026-08-16T11:17:01.311Z
Last observed
2026-08-16T11:17:01.311Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (2)

*.w3.org, w3.org

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=US, O=Google Trust Services, CN=WE1
Validity
2026-07-02T15:34:58Z2026-09-30T16:34:53Z
First observed
2026-08-16T11:17:01.311Z
Last observed
2026-08-16T11:17:01.311Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (2)

*.w3.org, w3.org

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=US, O=Google Trust Services, CN=WR1
Validity
2026-07-02T15:34:47Z2026-09-30T16:33:19Z
First observed
2026-08-16T11:17:01.311Z
Last observed
2026-08-16T11:17:01.311Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (2)

*.w3.org, w3.org

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=FR, O=Gandi SAS, CN=GandiCert
Validity
2026-06-30T00:00:00Z2027-01-14T23:59:59Z
First observed
2026-08-16T11:17:01.311Z
Last observed
2026-08-16T11:17:01.311Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (2)

*.w3.org, w3.org

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=US, O=Let's Encrypt, CN=YE1
Validity
2026-05-29T17:56:07Z2026-08-27T17:56:06Z
First observed
2026-08-16T11:17:01.311Z
Last observed
2026-08-16T11:17:01.311Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (2)

*.w3.org, w3.org

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=US, O=Let's Encrypt, CN=YR1
Validity
2026-05-29T07:04:53Z2026-08-27T07:04:52Z
First observed
2026-08-16T11:17:01.311Z
Last observed
2026-08-16T11:17:01.311Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (2)

*.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.