28c28.appSSL certificate & chain
- Status
- Expired
- Expires in
- Expired
- Issuer
- Google Trust Services
- Chain
- 4 certificates
Certificate chain
- 1 · Site certificateExpired28c28.appIssued by WE1Expires 3 Mar 2026
- 2 · IntermediateValidWE1Issued by GTS Root R4Expires 21 Feb 2029
- 3 · IntermediateValidGTS Root R4Issued by GlobalSign Root CAExpires 28 Jan 2028
- 4 · RootValidGlobalSign Root CASelf-signed rootExpires 28 Jan 2028
1
ExpiredSite certificate
28c28.app
Issued to
- Common name (CN)
- 28c28.app
Issued by
- Common name (CN)
- WE1
- Organisation (O)
- Google Trust Services
- Country (C)
- US
Validity
- Valid from
- 3 Dec 2025, 19:17 UTC
- Valid until
- 3 Mar 2026, 20:15 UTC
- Days remaining
- Expired 222 days ago
Technical details
- Serial number
- 1B:53:F9:E8:55:DF:BB:84:11:0A:8E:1C:45:BC:51:DE
- Signature algorithm
- —
2
ValidIntermediate
WE1
Issued to
- Common name (CN)
- WE1
- Organisation (O)
- Google Trust Services
- Country (C)
- US
Issued by
- Common name (CN)
- GTS Root R4
- Organisation (O)
- Google Trust Services LLC
- Country (C)
- US
Validity
- Valid from
- 13 Dec 2023, 20:00 UTC
- Valid until
- 21 Feb 2029, 01:00 UTC
- Days remaining
- 862
Technical details
- Serial number
- 7F:F3:19:77:97:2C:22:4A:76:15:5D:13:B6:D6:85:E3
- Signature algorithm
- —
3
ValidIntermediate
GTS Root R4
Issued to
- Common name (CN)
- GTS Root R4
- Organisation (O)
- Google Trust Services LLC
- Country (C)
- US
Issued by
- Common name (CN)
- GlobalSign Root CA
- Organisation (O)
- GlobalSign nv-sa
- Unit (OU)
- Root CA
- Country (C)
- BE
Validity
- Valid from
- 15 Nov 2023, 14:43 UTC
- Valid until
- 28 Jan 2028, 11:00 UTC
- Days remaining
- 472
Technical details
- Serial number
- 7F:E5:30:BF:33:13:43:BE:DD:82:16:10:49:3D:8A:1B
- Signature algorithm
- —
4
ValidRoot
GlobalSign Root CA
Issued to
- Common name (CN)
- GlobalSign Root CA
- Organisation (O)
- GlobalSign nv-sa
- Unit (OU)
- Root CA
- Country (C)
- BE
Issued by
- Common name (CN)
- Self-signed
- Organisation (O)
- GlobalSign nv-sa
- Unit (OU)
- Root CA
- Country (C)
- BE
Validity
- Valid from
- 1 Sept 1998, 22:00 UTC
- Valid until
- 28 Jan 2028, 23:00 UTC
- Days remaining
- 473
Technical details
- Serial number
- 04:00:00:00:00:01:15:4B:5A:C3:94
- Signature algorithm
- —