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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

coopenet.com.ar · 200.110.184.9:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate has expired.

Certificate verification failed

Subject
CN=coopenet.com.ar
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2025-06-04T00:00:00+00:00
Expires
2026-07-05T23:59:59+00:00
Days remaining
-80
Serial (hex)
96D4602E1D00F49D35266D13A5BC0841
Signature
RSA-SHA384
Public key
RSA 2048

Subject alternative names (SAN)

DNS:coopenet.com.ar, DNS:www.coopenet.com.ar

SHA-256 fingerprint

6F:5B:80:E3:C9:1F:5D:F9:49:FA:57:5F:82:0C:A4:40:CB:8D:16:37:29:42:DE:B7:14:A6:FB:F0:1A:48:5E:ED
Certificate extensions & PEM
authorityKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
subjectKeyIdentifier
A3:35:21:C6:9D:95:1C:89:3B:F0:37:41:A5:6A:59:53:28:F3:E9:13
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.7 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCADVR36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:coopenet.com.ar, DNS:www.coopenet.com.ar
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Jun 4 10:18:58.086 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:55:DE:F2:E8:B5:DF:07:76:0B:7D:9B:71: 22:4B:06:35:7C:98:1B:64:3F:1D:F0:46:D2:31:B0:E8: 00:F9:2D:A4:02:21:00:C4:0E:73:B9:44:D4:57:9D:9A: 0E:EC:D0:54:AE:1C:B7:6B:9D:18:E3:B4:E4:47:C4:04: 7C:20:52:21:F0:DA:54 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AC:AB:30:70:6C:EB:EC:84:31:F4:13:D2:F4:91:5F:11: 1E:42:24:43:B1:F2:A6:8C:4F:3C:2B:3B:A7:1E:02:C3 Timestamp : Jun 4 10:18:58.032 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:AF:E8:2B:06:53:F9:BA:C3:D6:2B:24: 68:3F:12:52:8C:D2:CC:F5:CB:1C:46:11:D1:69:1E:B3: 0F:53:87:CC:69:02:21:00:A9:59:08:F2:9C:A7:27:EF: B5:A6:78:10:CC:AB:F4:A3:87:1E:05:4A:21:5E:2E:AE: 4E:0D:11:F9:85:74:41:55 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Jun 4 10:18:57.979 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:CB:9F:BD:5B:28:D1:A5:60:0B:31:31: DB:BF:7F:B7:47:FE:7F:AE:CC:8A:D4:9A:7D:07:9E:3B: 37:4E:40:CD:C5:02:21:00:BB:67:38:35:C2:97:A8:87: D0:7B:20:44:5F:E3:13:AC:DE:71:97:D0:A6:02:C1:20: 83:2F:F4:17:C6:5F:F3:58
-----BEGIN CERTIFICATE-----
MIIGjzCCBPegAwIBAgIRAJbUYC4dAPSdNSZtE6W8CEEwDQYJKoZIhvcNAQEMBQAw
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yoi0
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-23T15:16:29+00:00

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

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