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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

upe.br · 200.133.1.26:443

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=PERNAMBUCO L=RECIFE O=FUNDACAO UNIVERSIDADE DE PERNAMBUCO CN=www.upe.br
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Valid from
2025-12-29T14:46:05+00:00
Expires
2027-01-30T14:46:04+00:00
Days remaining
116
Serial (hex)
3545E386BA733939AB079315
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.upe.br, DNS:upe.br

SHA-256 fingerprint

5B:67:73:61:90:43:0F:F7:56:D3:10:9F:5B:32:D7:E6:4B:8F:E5:29:9E:B2:EE:55:3E:44:6F:AE:FF:4C:44:F8
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt OCSP - URI:http://ocsp.globalsign.com/gsrsaovsslca2018
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.20 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.2
subjectAltName
DNS:www.upe.br, DNS:upe.br
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
subjectKeyIdentifier
DF:10:58:9B:26:AC:B3:43:EB:C2:AE:7D:8F:EC:60:B2:73:A2:87:5F
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 : Dec 29 14:46:12.605 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:5F:D0:92:98:26:0C:5B:6B:A5:84:5A:20: 8A:3A:08:6E:09:D8:49:42:70:38:5A:09:C7:42:C5:60: 2D:4B:70:E9:02:21:00:E4:12:BD:01:9D:9C:28:2F:4E: FF:2B:6A:23:E9:3E:9C:87:5D:DD:F5:EF:98:4F:20:24: 98:A2:43:96:69:FE:BF 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 29 14:46:11.800 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:F8:A2:E4:E2:6E:47:3B:90:9B:DB:7D: BB:CB:1F:8E:73:4B:18:85:E3:36:56:6D:F5:04:4B:E1: 20:83:CB:20:FB:02:21:00:DF:C1:67:13:E1:AB:45:43: 72:EC:42:DC:A3:92:08:EE:C2:5A:5E:DB:81:95:D7:A1: A5:20:3B:3B:EC:8B:C1:58 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 29 14:46:12.803 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:31:02:B4:1B:C9:C1:1D:7F:C4:D6:63:7B: C8:D9:F2:2B:27:CE:01:F0:D0:1F:2B:34:57:10:8D:BD: 1D:3C:B6:96:02:21:00:BB:9D:A4:AB:9A:1F:35:00:37: 6E:81:27:3C:96:9F:9A:47:F5:FF:55:5F:86:AC:11:A9: B1:77:AB:5E:FE:6D:F2
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-06T13:20:47+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=Trusted Root TLS CA SHA256 G3
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2020-07-05T00:00:00+00:00
Expires
2027-04-25T11:00:00+00:00
Days remaining
200
Serial (hex)
77BD0D753F2E19601BD54E0A02444676
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

91:F1:9C:E5:03:C9:FE:7F:F9:58:7D:8E:FB:EF:73:15:AA:EE:77:DC:2D:14:52:61:26:49:3B:4A:D6:FE:80:1F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:4F:D7:DD:27:AE:D5:7F:58:81:E1:2C:47:AC:23:B7:C6:7B:57:EF
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://ocsp.globalsign.com/rootr3 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r3.crt
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-----

Chain certificate 2

Subject
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2009-03-18T10:00:00+00:00
Expires
2029-03-18T10:00:00+00:00
Days remaining
893
Serial (hex)
04000000000121585308A2
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:B5:22:D7:B7:F1:27:AD:6A:01:13:86:5B:DF:1C:D4:10:2E:7D:07:59:AF:63:5A:7C:F4:72:0D:C9:63:C5:3B
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
-----BEGIN CERTIFICATE-----
MIIDXzCCAkegAwIBAgILBAAAAAABIVhTCKIwDQYJKoZIhvcNAQELBQAwTDEgMB4G
A1UECxMXR2xvYmFsU2lnbiBSb290IENBIC0gUjMxEzARBgNVBAoTCkdsb2JhbFNp
Z24xEzARBgNVBAMTCkdsb2JhbFNpZ24wHhcNMDkwMzE4MTAwMDAwWhcNMjkwMzE4
MTAwMDAwWjBMMSAwHgYDVQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEG
A1UEChMKR2xvYmFsU2lnbjETMBEGA1UEAxMKR2xvYmFsU2lnbjCCASIwDQYJKoZI
hvcNAQEBBQADggEPADCCAQoCggEBAMwldpB5BngiFvXAg7aEyiie/QV2EcWtiHL8
RgJDx7KKnQRfJMsuS+FggkbhUqsMgUdwbN1k0ev1LKMPgj0MK66X17YUhhB5uzsT
gHeMCOFJ0mpiLx9e+pZo34knlTifBtc+ycsmWQ1z3rDI6SYOgxXG71uL0gRgykmm
KPZpO/bLyCiR5Z2KYVc3rHQU3HTgOu5yLy6c+9C7v/U9AOEGM+iCK65TpjoWc4zd
QQ4gOsC0p6Hpsk+QLjJg6VfLuQSSaGjlOCZgdbKfd/+RFO+uIEn8rUAVSNECMWEZ
XriX7613t2Saer9fwRPvm2L7DWzgVGkWqQPabumDk3F2xmmFghcCAwEAAaNCMEAw
DgYDVR0PAQH/BAQDAgEGMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFI/wS3+o
LkUkrk1Q+mOai97i3Ru8MA0GCSqGSIb3DQEBCwUAA4IBAQBLQNvAUKr+yAzv95ZU
RUm7lgAJQayzE4aGKAczymvmdLm6AC2upArT9fHxD4q/c2dKg8dEe3jgr25sbwMp
jjM5RcOO5LlXbKr8EpbsU8Yt5CRsuZRj+9xTaGdWPoO4zzUhw8lo/s7awlOqzJCK
6fBdRoyV3XpYKBovHd7NADdBj+1EbddTKJd+82cEHhXXipa0095MJ6RMG3NzdvQX
mcIfeg7jLQitChws/zyrVQ4PkX4268NXSb7hLi18YIvDQVETI53O9zJrlAGomecs
Mx86OyXShkDOOyyGeMlhLxS67ttVb9+E7gUJTb0o2HLO02JQZR7rkpeDMdmztcpH
WD9f
-----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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