DOMAIN RECORD
ipfs-cn.com
- First observed
- 2026-08-26T19:14:44.225Z
- Last observed
- 2026-08-26T20:03:12.716Z
- Observation runs
- 4
- Certificates observed
- 4
- Change events
- 5
MONITORING STARTED
No historical certificate record was available when this domain was admitted. OMSHIFT has been observing public Certificate Transparency logs directly since 2026-08-20T06:23:38.839Z — 3 observations and 5 change events recorded since.
OBSERVATION RAIL
- 2026-08-26T19:14:44.225ZMonitoring from 2026-08-26T19:14:44.225ZNo historical reconstruction — observed only from this point forward.
- 2026-08-26T19:29:34.624ZIssuer differs from previous observed issuance
- 2026-08-26T19:29:36.679ZIssuer differs from previous observed issuance
CERTIFICATE DELTA
Observed 2026-08-26T19:29:36.679Z
PREVIOUS
C=US, O=Let's Encrypt, CN=YR2
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
- 2026-08-26T18:26:39Z → 2026-11-24T18:26:38Z
- First observed
- 2026-08-26T19:29:36.679Z
- Last observed
- 2026-08-26T19:30:09.646Z
- Source
- OMSHIFT CT Monitor (forward observation)
SAN NAMES (2)
api.chatgpt.ipfs-cn.com, ipfs-cn.com
View certificate evidence →FORWARD OBSERVATION
- Issuer
- C=US, O=Let's Encrypt, CN=YR2
- Validity
- 2026-08-26T18:26:35Z → 2026-11-24T18:26:34Z
- First observed
- 2026-08-26T19:29:34.624Z
- Last observed
- 2026-08-26T19:30:02.573Z
- Source
- OMSHIFT CT Monitor (forward observation)
SAN NAMES (2)
api.chatgpt.ipfs-cn.com, ipfs-cn.com
View certificate evidence →FORWARD OBSERVATION
- Issuer
- C=US, O=Let's Encrypt, CN=YE1
- Validity
- 2026-08-26T18:14:47Z → 2026-11-24T18:14:46Z
- First observed
- 2026-08-26T19:14:44.225Z
- Last observed
- 2026-08-26T20:03:12.716Z
- Source
- OMSHIFT CT Monitor (forward observation)
SAN NAMES (2)
api.chatgpt.ipfs-cn.com, ipfs-cn.com
View certificate evidence →FORWARD OBSERVATION
- Issuer
- C=US, O=Let's Encrypt, CN=YR1
- Validity
- 2026-08-26T18:14:31Z → 2026-11-24T18:14:30Z
- First observed
- 2026-08-26T19:14:39.473Z
- Last observed
- 2026-08-26T19:19:33.784Z
- Source
- OMSHIFT CT Monitor (forward observation)
SAN NAMES (2)
api.chatgpt.ipfs-cn.com, ipfs-cn.com
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.