DOMAIN RECORD
bos4d.site
- First observed
- 2026-08-20T07:58:32.896Z
- Last observed
- 2026-08-21T13:58:06.223Z
- Observation runs
- 2
- Certificates observed
- 2
- Change events
- 2
MONITORING STARTED
No historical certificate record was available when this domain was admitted. OMSHIFT has been observing public Certificate Transparency logs directly since 2026-08-20T07:57:39.335Z — 1 observation and 2 change events recorded since.
OBSERVATION RAIL
- 2026-08-20T07:58:32.896ZMonitoring from 2026-08-20T07:58:32.896ZNo historical reconstruction — observed only from this point forward.
- 2026-08-21T12:58:33.085ZIssuer differs from previous observed issuance
CERTIFICATE DELTA
Observed 2026-08-21T12:58:33.085Z
PREVIOUS
C=US, O=Google Trust Services, CN=WE1
2 SANs
ISSUER issuer differs from previous observed issuance
OBSERVED
C=US, O=Let's Encrypt, CN=YE2
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=YE2
- Validity
- 2026-08-21T11:58:50Z → 2026-11-19T11:58:49Z
- First observed
- 2026-08-21T12:58:33.085Z
- Last observed
- 2026-08-21T13:58:06.223Z
- Source
- OMSHIFT CT Monitor (forward observation)
SAN NAMES (2)
*.bos4d.site, bos4d.site
View certificate evidence →FORWARD OBSERVATION
- Issuer
- C=US, O=Google Trust Services, CN=WE1
- Validity
- 2026-08-20T06:40:31Z → 2026-11-18T07:38:01Z
- First observed
- 2026-08-20T07:58:32.896Z
- Last observed
- 2026-08-20T07:59:23.121Z
- Source
- OMSHIFT CT Monitor (forward observation)
SAN NAMES (2)
*.bos4d.site, bos4d.site
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.