DOMAIN RECORD

auth0.com

First observed
2026-08-16T19:47:01.523Z
Last observed
2026-08-22T13:03:34.191Z
Observation runs
5
Certificates observed
8
Change events
7

BASELINE ESTABLISHED

4 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. 4 post-baseline observations and 7 change events have been recorded since.


OBSERVATION RAIL
  1. 2026-08-16T19:47:01.523Z
    Baseline established
    4 certificates observed
  2. 2026-08-22T12:23:50.854Z
    Forward observation
    New certificate issuance observed
    View evidence →
  3. 2026-08-22T12:23:50.854Z
    Issuer differs from previous observed issuance
  4. 2026-08-22T12:23:52.422Z
    Forward observation
    New certificate issuance observed
    View evidence →
  5. 2026-08-22T12:23:52.422Z
    Issuer differs from previous observed issuance
  6. 2026-08-22T12:39:10.290Z
    Forward observation
    New certificate issuance observed
    View evidence →
  7. 2026-08-22T12:39:10.290Z
    Issuer differs from previous observed issuance
  8. 2026-08-22T12:39:11.462Z
    Forward observation
    New certificate issuance observed
    View evidence →
CERTIFICATE DELTA
Observed 2026-08-22T12:39:11.462Z
PREVIOUS
C=US, O=Let's Encrypt, CN=YR2
5 SANs
ISSUER issuer differs from previous observed issuance
OBSERVED
C=US, O=Let's Encrypt, CN=YE1
5 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=YE1
Validity
2026-08-22T11:39:30Z2026-11-20T11:39:29Z
First observed
2026-08-22T12:39:11.462Z
Last observed
2026-08-22T12:43:48.657Z
Source
OMSHIFT CT Monitor (forward observation)
SAN NAMES (5)

*.auth0.com, *.edge.tenants.auth0.com, *.guardian.auth0.com + 2 more

View certificate evidence →
FORWARD OBSERVATION
Issuer
C=US, O=Let's Encrypt, CN=YR2
Validity
2026-08-22T11:39:26Z2026-11-20T11:39:25Z
First observed
2026-08-22T12:39:10.290Z
Last observed
2026-08-22T12:44:02.387Z
Source
OMSHIFT CT Monitor (forward observation)
SAN NAMES (5)

*.auth0.com, *.edge.tenants.auth0.com, *.guardian.auth0.com + 2 more

View certificate evidence →
FORWARD OBSERVATION
Issuer
C=US, O=Let's Encrypt, CN=YE1
Validity
2026-08-22T11:24:20Z2026-11-20T11:24:19Z
First observed
2026-08-22T12:23:52.422Z
Last observed
2026-08-22T13:03:42.151Z
Source
OMSHIFT CT Monitor (forward observation)
SAN NAMES (5)

*.auth0.com, *.edge.tenants.auth0.com, *.guardian.auth0.com + 2 more

View certificate evidence →
FORWARD OBSERVATION
Issuer
C=US, O=Let's Encrypt, CN=YR2
Validity
2026-08-22T11:24:05Z2026-11-20T11:24:04Z
First observed
2026-08-22T12:23:50.854Z
Last observed
2026-08-22T13:03:34.191Z
Source
OMSHIFT CT Monitor (forward observation)
SAN NAMES (5)

*.auth0.com, *.edge.tenants.auth0.com, *.guardian.auth0.com + 2 more

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=US, O=Let's Encrypt, CN=YE1
Validity
2026-06-24T11:43:43Z2026-09-22T11:43:42Z
First observed
2026-08-16T19:47:01.523Z
Last observed
2026-08-16T19:47:01.523Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (5)

*.auth0.com, *.edge.tenants.auth0.com, *.guardian.auth0.com + 2 more

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=US, O=Let's Encrypt, CN=YR2
Validity
2026-06-24T11:43:36Z2026-09-22T11:43:35Z
First observed
2026-08-16T19:47:01.523Z
Last observed
2026-08-16T19:47:01.523Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (5)

*.auth0.com, *.edge.tenants.auth0.com, *.guardian.auth0.com + 2 more

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M01
Validity
2025-11-25T00:00:00Z2026-12-23T23:59:59Z
First observed
2026-08-16T19:47:01.523Z
Last observed
2026-08-16T19:47:01.523Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (2)

*.auth0.com, auth0.com

View certificate evidence →
HISTORICAL BOOTSTRAP
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M01
Validity
2025-10-30T00:00:00Z2026-11-27T23:59:59Z
First observed
2026-08-16T19:47:01.523Z
Last observed
2026-08-16T19:47:01.523Z
Source
SSLMate CT Search (historical bootstrap)
SAN NAMES (1)

auth0.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.