DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

duoc.cl · 136.248.244.61:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
CN=*.duoc.cl
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Valid from
2025-12-24T15:32:02+00:00
Expires
2027-01-17T21:05:21+00:00
Days remaining
102
Serial (hex)
14BB5AF54F08943BF3300665
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.duoc.cl, DNS:duoc.cl

SHA-256 fingerprint

09:2B:31:80:D2:3E:BB:49:8C:84:AF:83:7E:23:CD:BF:DB:71:17:8B:7C:56:E9:26:87:A5:D3:39:F7:8F:BA:51
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr6alphasslca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr6alphasslca2025
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3 CPS: https://www.globalsign.com/repository/
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr6alphasslca2025.crl
subjectAltName
DNS:*.duoc.cl, DNS:duoc.cl
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
C5:B4:93:8F:6F:2B:DC:1E:48:BF:B7:10:30:85:CE:D1:B2:BB:48:2D
subjectKeyIdentifier
1F:DE:20:97:B2:52:DD:9A:2D:FF:41:07:CC:9F:71:10:2A:A5:64:D0
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Dec 24 15:32:06.185 2025 GMT Extensions: 00:00:05:00:00:B8:AF:5D Signature : ecdsa-with-SHA256 30:46:02:21:00:FD:1E:37:16:55:9B:54:A0:77:A9:FD: 6C:AB:06:C2:91:E0:18:90:61:11:3C:AC:E1:8F:DC:BD: 39:32:5A:2D:7D:02:21:00:A5:7F:43:CF:05:7F:42:28: 7E:00:20:FC:8A:5A:18:03:37:F4:4F:CB:3C:69:ED:14: FB:AC:6E:A3:A2:90:42:8B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Dec 24 15:32:05.583 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:66:68:6F:A4:D4:7F:03:15:BE:41:AA:F8: BA:35:FA:D1:3B:7B:D0:D5:E9:84:03:C9:30:F1:AF:EB: 74:BB:79:65:02:20:67:A8:E9:8A:37:6D:2A:BF:B8:20: 67:F2:DF:48:5E:6F:D8:4F:CA:3B:26:1F:B4:0B:C3:F0: CC:7F:B0:59:DE:42 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Dec 24 15:32:05.831 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E4:E9:15:8E:D4:10:46:6C:D3:1A:DE: 5C:B8:53:ED:9A:DE:51:EF:5D:8C:59:4A:BB:C1:14:1D: 13:A2:70:94:C7:02:20:25:98:46:12:FA:75:D7:71:61: 2C:33:2F:AA:94:6C:69:F2:B5:43:24:2E:F8:54:7E:3A: 12:80:74:18:E6:F4:4F
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-07T01:58:26+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
OU=GlobalSign Root CA - R6 O=GlobalSign CN=GlobalSign
Issuer
OU=GlobalSign Root CA - R6 O=GlobalSign CN=GlobalSign
Valid from
2014-12-10T00:00:00+00:00
Expires
2034-12-10T00:00:00+00:00
Days remaining
2985
Serial (hex)
45E6BB038333C3856548E6FF4551
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

2C:AB:EA:FE:37:D0:6C:A2:2A:BA:73:91:C0:03:3D:25:98:29:52:C4:53:64:73:49:76:3A:3A:B5:AD:6C:CF:69
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
AE:6C:05:A3:93:13:E2:A2:E7:E2:D7:1C:D6:C7:F0:7F:C8:67:53:A0
authorityKeyIdentifier
AE:6C:05:A3:93:13:E2:A2:E7:E2:D7:1C:D6:C7:F0:7F:C8:67:53:A0
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Issuer
OU=GlobalSign Root CA - R6 O=GlobalSign CN=GlobalSign
Valid from
2025-05-21T02:36:52+00:00
Expires
2027-05-21T00:00:00+00:00
Days remaining
225
Serial (hex)
837D4EB89E912FE72CAD3BC7692DDC20
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

A8:83:55:92:31:F8:38:8D:AF:35:CE:41:C8:10:10:40:AE:8F:D9:B6:56:43:42:47:B9:47:5A:F5:92:CC:08:CA
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
C5:B4:93:8F:6F:2B:DC:1E:48:BF:B7:10:30:85:CE:D1:B2:BB:48:2D
authorityKeyIdentifier
AE:6C:05:A3:93:13:E2:A2:E7:E2:D7:1C:D6:C7:F0:7F:C8:67:53:A0
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr6 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r6.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r6.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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