postman.com
- First observed
- 2026-08-16T19:46:59.296Z
- Last observed
- 2026-08-22T07:48:56.545Z
- Observation runs
- 2
- Certificates observed
- 47
- Change events
- 1
47 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.
- 2026-08-16T19:46:59.296ZBaseline established47 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=Let's Encrypt, CN=YR2
- Validity
- 2026-08-03T02:08:32Z → 2026-11-01T02:08:31Z
- First observed
- 2026-08-16T19:46:59.296Z
- Last observed
- 2026-08-22T07:48:56.545Z
- Source
- OMSHIFT CT Monitor (forward observation)
*.getpostman.com, *.gw.postman.co, *.gw.postman.com + 3 more
View certificate evidence →- Issuer
- C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
- Validity
- 2026-08-12T00:00:00Z → 2027-02-26T23:59:59Z
- First observed
- 2026-08-16T19:46:59.296Z
- Last observed
- 2026-08-16T19:46:59.296Z
- Source
- SSLMate CT Search (historical bootstrap)
postman.com
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WE1
- Validity
- 2026-07-23T07:53:31Z → 2026-10-21T08:53:28Z
- First observed
- 2026-08-16T19:46:59.296Z
- Last observed
- 2026-08-16T19:46:59.296Z
- Source
- SSLMate CT Search (historical bootstrap)
*.observability.postman.com, postman.com
View certificate evidence →- Issuer
- C=US, O=Google Trust Services, CN=WR1
- Validity
- 2026-07-23T07:53:22Z → 2026-10-21T08:41:17Z
- First observed
- 2026-08-16T19:46:59.296Z
- Last observed
- 2026-08-16T19:46:59.296Z
- Source
- SSLMate CT Search (historical bootstrap)
*.observability.postman.com, postman.com
View certificate evidence →- Issuer
- C=US, O=Amazon, CN=Amazon RSA 2048 M01
- Validity
- 2026-07-20T00:00:00Z → 2027-02-02T23:59:59Z
- First observed
- 2026-08-16T19:46:59.296Z
- Last observed
- 2026-08-16T19:46:59.296Z
- Source
- SSLMate CT Search (historical bootstrap)
*.postman.com, postman.com
View certificate evidence →- Issuer
- C=US, O=Let's Encrypt, CN=YE1
- Validity
- 2026-07-16T09:01:45Z → 2026-10-14T09:01:44Z
- First observed
- 2026-08-16T19:46:59.296Z
- Last observed
- 2026-08-16T19:46:59.296Z
- Source
- SSLMate CT Search (historical bootstrap)
*.postman.com, *.us.postman.com, postman.com
View certificate evidence →- Issuer
- C=US, O=Let's Encrypt, CN=YR2
- Validity
- 2026-07-16T09:01:35Z → 2026-10-14T09:01:34Z
- First observed
- 2026-08-16T19:46:59.296Z
- Last observed
- 2026-08-16T19:46:59.296Z
- Source
- SSLMate CT Search (historical bootstrap)
*.postman.com, *.us.postman.com, postman.com
View certificate evidence →- Issuer
- C=US, O=Let's Encrypt, CN=YE1
- Validity
- 2026-07-13T06:08:30Z → 2026-10-11T06:08:29Z
- First observed
- 2026-08-16T19:46:59.296Z
- Last observed
- 2026-08-16T19:46:59.296Z
- Source
- SSLMate CT Search (historical bootstrap)
*.cdn.postman.com, *.explore.postman.com, *.go.postman.com + 6 more
View certificate evidence →- Issuer
- C=US, O=Let's Encrypt, CN=YR1
- Validity
- 2026-07-13T06:08:20Z → 2026-10-11T06:08:19Z
- First observed
- 2026-08-16T19:46:59.296Z
- Last observed
- 2026-08-16T19:46:59.296Z
- Source
- SSLMate CT Search (historical bootstrap)
*.cdn.postman.com, *.explore.postman.com, *.go.postman.com + 6 more
View certificate evidence →- Issuer
- C=US, O=Let's Encrypt, CN=YE2
- Validity
- 2026-07-13T06:07:11Z → 2026-10-11T06:07:10Z
- First observed
- 2026-08-16T19:46:59.296Z
- Last observed
- 2026-08-16T19:46:59.296Z
- Source
- SSLMate CT Search (historical bootstrap)
*.eu.postman.com, postman.com
View certificate evidence →- Issuer
- C=US, O=Let's Encrypt, CN=YR2
- Validity
- 2026-07-13T06:07:03Z → 2026-10-11T06:07:02Z
- First observed
- 2026-08-16T19:46:59.296Z
- Last observed
- 2026-08-16T19:46:59.296Z
- Source
- SSLMate CT Search (historical bootstrap)
*.eu.postman.com, postman.com
View certificate evidence →- Issuer
- C=US, O=Let's Encrypt, CN=YE1
- Validity
- 2026-07-13T05:58:28Z → 2026-10-11T05:58:27Z
- First observed
- 2026-08-16T19:46:59.296Z
- Last observed
- 2026-08-16T19:46:59.296Z
- Source
- SSLMate CT Search (historical bootstrap)
*.gw.eu.postman.com, postman.com
View certificate evidence →View full certificate archive (47 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.