03816.twSSL certificate & chain
- Status
- Valid
- Expires in
- 44 days
- Issuer
- Let's Encrypt
- Chain
- 4 certificates
Certificate chain
- 1 · Site certificateValid04142.twIssued by YR1Expires 3 Dec 2026
- 2 · IntermediateValidYR1Issued by Root YRExpires 2 Sept 2028
- 3 · IntermediateValidRoot YRIssued by ISRG Root X1Expires 2 Sept 2032
- 4 · RootValidISRG Root X1Self-signed rootExpires 4 Jun 2035
1
ValidSite certificate
04142.tw
Issued to
- Common name (CN)
- 04142.tw
Issued by
- Common name (CN)
- YR1
- Organisation (O)
- Let's Encrypt
- Country (C)
- US
Validity
- Valid from
- 4 Sept 2026, 05:59 UTC
- Valid until
- 3 Dec 2026, 05:59 UTC
- Days remaining
- 44
Technical details
- Serial number
- 05:ED:69:69:AC:A9:EE:8F:E3:E9:63:B1:4E:B1:C2:54:93:3A
- Signature algorithm
- sha256RSA
- Matches the domain
- Yes
Names covered Subject Alternative Names · 9
- 03816.tw
- 04142.tw
- 28794.tw
- 39350.tw
- 55097.tw
- 61973.tw
- 75267.tw
- 76782.tw
- 80716.tw
2
ValidIntermediate
YR1
Issued to
- Common name (CN)
- YR1
- Organisation (O)
- Let's Encrypt
- Country (C)
- US
Issued by
- Common name (CN)
- Root YR
- Organisation (O)
- ISRG
- Country (C)
- US
Validity
- Valid from
- 3 Sept 2025, 00:00 UTC
- Valid until
- 2 Sept 2028, 23:59 UTC
- Days remaining
- 683
Technical details
- Serial number
- 00:A2:02:53:F1:5F:26:91:C0:5D:C1:CE:13:B9:BC:CA:4E
- Signature algorithm
- sha256RSA
3
ValidIntermediate
Root YR
Issued to
- Common name (CN)
- Root YR
- Organisation (O)
- ISRG
- Country (C)
- US
Issued by
- Common name (CN)
- ISRG Root X1
- Organisation (O)
- Internet Security Research Group
- Country (C)
- US
Validity
- Valid from
- 13 May 2026, 00:00 UTC
- Valid until
- 2 Sept 2032, 23:59 UTC
- Days remaining
- 2144
Technical details
- Serial number
- 00:F2:4B:6D:17:F9:D9:AD:7C:B1:C9:FE:A7:87:82:69:9F
- Signature algorithm
- sha256RSA
4
ValidRoot
ISRG Root X1
Issued to
- Common name (CN)
- ISRG Root X1
- Organisation (O)
- Internet Security Research Group
- Country (C)
- US
Issued by
- Common name (CN)
- Self-signed
- Organisation (O)
- Internet Security Research Group
- Country (C)
- US
Validity
- Valid from
- 4 Jun 2015, 11:04 UTC
- Valid until
- 4 Jun 2035, 11:04 UTC
- Days remaining
- 3149
Technical details
- Serial number
- 00:82:10:CF:B0:D2:40:E3:59:44:63:E0:BB:63:82:8B:00
- Signature algorithm
- sha256RSA