notion.so
- First observed
- 2026-08-16T11:01:33.654Z
- Last observed
- 2026-08-19T01:49:19.505Z
- Observation runs
- 2
- Certificates observed
- 14
- Change events
- 1
14 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.
- 2026-08-16T11:01:33.654ZBaseline established14 certificates observed
HISTORICAL BOOTSTRAP — historical evidence imported via SSLMate CT Search when this record was established. FORWARD OBSERVATION — observed directly from public CT logs by OMSHIFT.
- Issuer
- C=US, O=Google Trust Services, CN=WE1
- Validity
- 2026-08-13T22:59:48Z → 2026-11-11T23:59:35Z
- First observed
- 2026-08-16T11:01:33.654Z
- Last observed
- 2026-08-19T01:49:19.505Z
- Source
- OMSHIFT CT Monitor (forward observation)
*.dev.notion.so, *.notion.so, *.stg.notion.so + 2 more
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WR1
- Validity
- 2026-08-13T22:59:28Z → 2026-11-11T23:57:06Z
- First observed
- 2026-08-16T11:01:33.654Z
- Last observed
- 2026-08-16T11:01:33.654Z
- Source
- SSLMate CT Search (historical bootstrap)
*.dev.notion.so, *.notion.so, *.stg.notion.so + 2 more
View certificate evidence →- Issuer
- C=US, O=Amazon, CN=Amazon RSA 2048 M01
- Validity
- 2026-08-04T00:00:00Z → 2027-02-17T23:59:59Z
- First observed
- 2026-08-16T11:01:33.654Z
- Last observed
- 2026-08-16T11:01:33.654Z
- Source
- SSLMate CT Search (historical bootstrap)
*.admin.notion.so, *.notion.co, *.notion.site + 4 more
View certificate evidence →- Issuer
- C=US, O=Amazon, CN=Amazon RSA 2048 M01
- Validity
- 2026-07-17T00:00:00Z → 2027-01-30T23:59:59Z
- First observed
- 2026-08-16T11:01:33.654Z
- Last observed
- 2026-08-16T11:01:33.654Z
- Source
- SSLMate CT Search (historical bootstrap)
*.admin.notion.so, *.notion.co, *.notion.site + 4 more
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WE1
- Validity
- 2026-06-23T12:37:34Z → 2026-09-21T13:37:14Z
- First observed
- 2026-08-16T11:01:33.654Z
- Last observed
- 2026-08-16T11:01:33.654Z
- Source
- SSLMate CT Search (historical bootstrap)
*.notion.so, notion.so
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WR1
- Validity
- 2026-06-23T12:37:08Z → 2026-09-21T13:36:50Z
- First observed
- 2026-08-16T11:01:33.654Z
- Last observed
- 2026-08-16T11:01:33.654Z
- Source
- SSLMate CT Search (historical bootstrap)
*.notion.so, notion.so
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WE1
- Validity
- 2026-06-23T08:34:49Z → 2026-09-21T09:34:46Z
- First observed
- 2026-08-16T11:01:33.654Z
- Last observed
- 2026-08-16T11:01:33.654Z
- Source
- SSLMate CT Search (historical bootstrap)
*.notion.so, notion.so
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WR1
- Validity
- 2026-06-23T08:34:39Z → 2026-09-21T09:34:25Z
- First observed
- 2026-08-16T11:01:33.654Z
- Last observed
- 2026-08-16T11:01:33.654Z
- Source
- SSLMate CT Search (historical bootstrap)
*.notion.so, notion.so
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WE1
- Validity
- 2026-06-15T22:41:17Z → 2026-09-13T23:41:14Z
- First observed
- 2026-08-16T11:01:33.654Z
- Last observed
- 2026-08-16T11:01:33.654Z
- Source
- SSLMate CT Search (historical bootstrap)
*.dev.notion.so, *.notion.so, *.stg.notion.so + 2 more
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WR1
- Validity
- 2026-06-15T22:41:08Z → 2026-09-13T23:38:45Z
- First observed
- 2026-08-16T11:01:33.654Z
- Last observed
- 2026-08-16T11:01:33.654Z
- Source
- SSLMate CT Search (historical bootstrap)
*.dev.notion.so, *.notion.so, *.stg.notion.so + 2 more
View certificate evidence →- Issuer
- C=US, O=Amazon, CN=Amazon RSA 2048 M01
- Validity
- 2026-04-29T00:00:00Z → 2026-11-12T23:59:59Z
- First observed
- 2026-08-16T11:01:33.654Z
- Last observed
- 2026-08-16T11:01:33.654Z
- Source
- SSLMate CT Search (historical bootstrap)
*.admin.notion.so, *.notion.co, *.notion.site + 4 more
View certificate evidence →- Issuer
- C=US, O=Amazon, CN=Amazon RSA 2048 M01
- Validity
- 2026-04-29T00:00:00Z → 2026-11-12T23:59:59Z
- First observed
- 2026-08-16T11:01:33.654Z
- Last observed
- 2026-08-16T11:01:33.654Z
- Source
- SSLMate CT Search (historical bootstrap)
*.admin.notion.so, *.notion.co, *.notion.site + 4 more
View certificate evidence →View full certificate archive (14 total) →
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.