OMSHIFT
DOMAIN RECORD

acmilanduigjmilan.com.cn

First observed
2026-08-19T20:28:14.479Z
Last observed
2026-08-21T22:56:30.381Z
Observation runs
2
Certificates observed
2
Change events
3
MONITORING STARTED

No historical certificate record was available when this domain was admitted. OMSHIFT has been observing public Certificate Transparency logs directly since 2026-08-19T20:25:11.203Z — 1 observation and 3 change events recorded since.

OBSERVATION RAIL
  1. 2026-08-19T20:28:14.479Z
    Monitoring from 2026-08-19T20:28:14.479Z
    No historical reconstruction — observed only from this point forward.
  2. 2026-08-21T22:03:56.533Z
    Forward observation
    New certificate issuance observed
    View evidence →
  3. 2026-08-21T22:03:56.533Z
    Issuer differs from previous observed issuance
  4. 2026-08-21T22:03:56.533Z
    SAN set differs from previous observed issuance
    +0 · −1
CERTIFICATE DELTA
Observed 2026-08-21T22:03:56.533Z
PREVIOUS
C=US, O=Let's Encrypt, CN=YE2
2 SANs
ISSUER issuer differs from previous observed issuance
SAN SAN set differs from previous observed issuance
OBSERVED
C=US, O=Let's Encrypt, CN=YR1
1 SAN
  • removed *.acmilanduigjmilan.com.cn
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
db9f389f2d440f19…
Issuer
C=US, O=Let's Encrypt, CN=YR1
Validity
2026-08-21T21:02:35Z → 2026-11-19T21:02:34Z
First observed
2026-08-21T22:03:56.533Z
Last observed
2026-08-21T22:56:30.381Z
Source
OMSHIFT CT Monitor (forward observation)
SAN NAMES (1)

acmilanduigjmilan.com.cn

View certificate evidence →
FORWARD OBSERVATION
de7c281445fc3d49…
Issuer
C=US, O=Let's Encrypt, CN=YE2
Validity
2026-08-19T19:25:15Z → 2026-11-17T19:25:14Z
First observed
2026-08-19T20:28:14.479Z
Last observed
2026-08-19T20:29:45.004Z
Source
OMSHIFT CT Monitor (forward observation)
SAN NAMES (2)

*.acmilanduigjmilan.com.cn, acmilanduigjmilan.com.cn

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.