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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

tche.br · 200.132.0.134:443

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

Certificate verification failed

Subject
C=BR ST=RIO GRANDE DO SUL L=PORTO ALEGRE O=UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL CN=*.tche.br
Issuer
C=BR O=REDE NACIONAL DE ENSINO E PESQUISA - RNP CN=RNP ICPEdu GR46 OV TLS CA 2025
Valid from
2026-08-25T20:41:25+00:00
Expires
2027-03-12T20:41:25+00:00
Days remaining
129
Serial (hex)
79CA6381F3EED9F4038CC6EE
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.tche.br, DNS:tche.br

SHA-256 fingerprint

F4:AE:EE:9C:70:6B:67:4B:26:E3:43:C4:2D:E1:AB:87:F0:EF:0E:B4:75:D8:C2:13:9A:8C:70:E8:FC:7D:43:09
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/rnpicpedugr46ovtlsca2025.crt OCSP - URI:http://ocsp.globalsign.com/rnpicpedugr46ovtlsca2025
certificatePolicies
Policy: 2.23.140.1.2.2
subjectAltName
DNS:*.tche.br, DNS:tche.br
authorityKeyIdentifier
94:B0:C9:4F:C1:E0:6C:EF:CE:C6:2B:6C:B3:B4:CB:22:8A:76:49:B7
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
E4:35:D3:19:95:5E:52:85:C0:BA:63:AA:1C:1F:C9:29:31:27:CF:30
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Aug 25 20:41:29.466 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:07:74:26:DA:C9:3C:FF:2A:0C:0F:C2:B6: 38:76:66:12:83:4F:3E:33:3E:1A:6F:9D:63:CB:57:E7: 0F:1E:76:30:02:20:79:B5:CC:22:28:7B:EF:95:00:04: 9F:4C:4A:CA:C4:07:2D:16:BF:04:B2:87:D1:63:F4:D0: 45:89:FD:3A:98:96 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 : Aug 25 20:41:28.793 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:FD:74:26:DE:6D:10:01:01:FE:84:7A: 27:CB:32:95:1B:4B:31:34:97:1D:77:60:B1:E8:99:5E: 13:78:AE:9D:AF:02:20:61:D6:16:4F:7B:6F:87:82:14: A5:DE:78:EF:24:F4:7C:B5:C9:A6:25:CD:F2:CB:82:35: 44:AB:CC:3F:CB:A1:27 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 : Aug 25 20:41:29.284 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:90:3B:67:29:AF:0D:60:EC:D2:D8:67: 46:9C:8F:52:2A:28:35:F6:C3:60:5E:3A:2C:6E:B4:15: E9:34:34:A1:92:02:21:00:BE:F5:D9:A7:EC:2B:B4:02: 19:5A:4F:0D:F6:52:39:3A:E1:60:26:14:C4:15:8B:31: C1:D1:B7:EF:0D:A6:BD:37
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-03T11:22:45+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2018-11-21T00:00:00+00:00
Expires
2028-11-21T00:00:00+00:00
Days remaining
748
Serial (hex)
01EE5F221DFC623BD4333A8557
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B6:76:FF:A3:17:9E:88:12:09:3A:1B:5E:AF:EE:87:6A:E7:A6:AA:F2:31:07:8D:AD:1B:FB:21:CD:28:93:76:4A
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----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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