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

cepel.br · 20.226.27.209:443

Verified

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

Subject
CN=*.cepel.br
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Valid from
2025-11-05T17:01:58+00:00
Expires
2026-12-07T17:01:57+00:00
Days remaining
60
Serial (hex)
0140779D7ECC9257CF0A3F25
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.cepel.br, DNS:cepel.br

SHA-256 fingerprint

29:28:C2:0B:8D:59:EE:AB:73:7E:9D:47:E6:54:F7:AA:8E:42:C7:19:5B:6C:94:28:87:E2:87:39:BC:BB:6B:75
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:*.cepel.br, DNS:cepel.br
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
3A:84:CE:41:B6:88:0B:FF:68:88:D2:2C:02:C4:C0:6E:44:3F:93:85
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Nov 5 17:02:02.067 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:66:B3:F0:7B:50:7C:83:B6:11:F3:82:70: 65:08:C6:11:47:61:01:21:EC:F2:DD:F1:70:28:51:64: A3:5B:2C:12:02:21:00:E3:9D:E9:1F:A8:5B:1B:9A:80: D3:91:6F:B4:03:B7:A8:CC:03:E8:34:71:97:82:EA:23: C4:30:61:BA:C6:6C:77 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 : Nov 5 17:02:02.072 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A5:EA:4D:5A:7E:74:F6:93:76:98:3D: 30:EE:80:B6:9E:58:AF:2E:E2:B0:44:2B:CA:13:E2:A4: 5D:1B:4C:77:D2:02:20:47:85:11:5C:28:23:97:E7:48: FA:FF:57:E4:C1:C4:4C:4E:BC:63:47:E6:E3:71:21:F5: 32:3E:C1:57:7F:F9:86 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Nov 5 17:02:02.059 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:68:D0:D2:DE:2A:D3:41:0A:9F:C5:89:DC: D7:0B:20:7D:05:A1:49:3D:31:4E:53:07:36:A1:7E:A3: 35:ED:1C:D0:02:20:06:F0:16:92:99:D5:A8:A3:E7:09: 42:38:ED:3A:56:D4:8A:DA:49:F8:B0:17:43:76:B2:3C: 3B:E0:E3:C0:6A:B5
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-08T04:03:43+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

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
224
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

Registration / WHOIS →DNS records →