notion.so

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

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

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

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

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

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

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

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

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

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

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

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

Issuer

C=US, O=Amazon, CN=Amazon RSA 2048 M02

Validity

2025-09-03T00:00:00Z → 2026-10-02T23:59:59Z

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

Issuer

C=US, O=Amazon, CN=Amazon RSA 2048 M02

Validity

2025-08-16T00:00:00Z → 2026-09-14T23:59:59Z

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