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THE CERTIFICATE BEHIND THE CONNECTION

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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

claranet.pt · 195.22.17.174:443

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
CN=*.claranet.pt
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2025-11-04T00:00:00+00:00
Expires
2026-12-04T23:59:59+00:00
Days remaining
69
Serial (hex)
A5EA328D864E27B7F910ABA3CEA91E50
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.claranet.pt, DNS:claranet.pt

SHA-256 fingerprint

25:07:6C:73:8B:05:61:3F:26:4D:94:8F:CF:E0:B1:1F:75:68:CE:32:4B:75:56:EB:2D:33:C9:66:39:82:B2:2B
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
FB:C7:95:B9:0A:21:89:48:AA:7B:AA:89:2E:2F:92:D8:58:33:DB:90
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server 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:*.claranet.pt, DNS:claranet.pt
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 : Nov 4 18:04:45.240 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DA:20:75:F4:F1:65:9E:B9:90:4A:33: 81:85:E2:77:06:E0:51:EF:0E:40:EF:5C:F9:6B:34:93: 05:AF:9A:F2:49:02:20:5F:46:F2:A8:4B:10:B9:36:FF: 5C:D0:D2:84:33:E4:8C:9F:66:3A:1D:F0:59:7A:2C:AD: D7:7E:A4:9A:F8:F0:31 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Nov 4 18:04:45.333 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:0E:55:13:C3:8E:53:C1:22:48:BB:80:A1: 1B:7A:6F:AE:15:82:E8:BF:D4:AF:03:7B:33:8F:3F:9F: 54:87:C3:D0:02:20:2E:31:8C:83:25:73:EB:4A:C0:9F: C5:27:3F:DE:48:41:5B:58:1A:8B:18:43:75:38:31:C5: 29:98:BD:93:5E:BE 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 4 18:04:45.132 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C4:E6:E3:D8:28:95:FA:EF:E1:A8:BF: 94:AF:B9:73:6B:49:3A:D2:81:51:65:C4:2F:76:4A:BF: 7A:5A:4A:A5:11:02:20:02:A7:26:1B:48:E9:36:B0:99: 33:76:60:80:D0:68:39:41:FC:A8:B3:6B:8F:A7:5B:49: 40:02:0B:FC:E0:39:89
-----BEGIN CERTIFICATE-----
MIIGdjCCBN6gAwIBAgIRAKXqMo2GTie3+RCro86pHlAwDQYJKoZIhvcNAQELBQAw
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CTZK+IM2B5VHDaXiHjcFPH6bjsqN8gdeXoBTLOStMsfb7pR48b/vsd8pckcF6X7A
wiDrzyxF6p1XebUeY+mrIcj0LDSfufl4H9mrkEylZCM+omMzV4jMIK8cPwWVuCLD
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8+c0qxU74ZWdKahQD+5CCoUH1c7i8XKETcs=
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-26T09:59:04+00:00

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

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