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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

mail.utcl.co.ug · 196.0.19.121:443

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=UG L=Kampala O=Uganda Telecommunications Corporation Limited CN=*.utcl.co.ug
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2025-11-27T00:00:00+00:00
Expires
2026-12-01T23:59:59+00:00
Days remaining
72
Serial (hex)
0AFD8B7C5FE402CA469C12BE9DD16080
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.utcl.co.ug, DNS:utcl.co.ug

SHA-256 fingerprint

FC:29:3D:09:06:BF:F9:D1:DF:7D:E7:95:AD:39:99:56:CD:7A:68:0F:95:FB:DE:62:31:E5:CA:06:A0:E9:96:10
Certificate extensions & PEM
authorityKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
subjectKeyIdentifier
A1:1F:C7:83:A3:E1:93:61:6F:4B:26:D2:D2:6C:02:F2:83:0B:E6:70
subjectAltName
DNS:*.utcl.co.ug, DNS:utcl.co.ug
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.thawte.com/ThawteTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.thawte.com CA Issuers - URI:http://cacerts.thawte.com/ThawteTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
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 : Nov 27 10:22:49.542 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:76:CE:37:35:A8:A9:CF:5F:83:BF:C8:21: 57:67:24:53:CE:9E:FC:93:A3:ED:54:39:31:34:BC:6F: 7E:18:E9:2C:02:21:00:B3:88:55:90:23:01:B9:20:49: 5E:D7:6F:D9:F6:A0:63:88:A0:37:4E:1E:22:05:06:0F: 1C:FB:DC:60:DD:B0:4E Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : Nov 27 10:22:49.588 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:2F:E4:FA:5F:C3:C2:02:26:52:41:91:FA: 48:65:E4:71:7E:1C:9B:FE:E0:C4:E9:EC:8E:53:EF:88: 73:78:84:F1:02:21:00:F9:BA:77:43:F9:A4:43:FB:F4: 46:6C:8E:AC:C5:5C:5E:3C:09:74:F9:69:7C:56:14:37: A4:BC:2B:20:1D:55:30 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 27 10:22:49.592 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:42:F6:C9:28:6F:B5:A0:2B:28:CF:F4:09: C6:53:E4:73:A1:D8:1C:36:9F:6F:B9:23:AD:FF:BF:8A: B4:31:B5:50:02:21:00:FC:78:AD:F4:66:58:42:99:A2: A4:16:9F:5F:55:70:AA:41:8A:A0:AD:32:CF:99:0F:EA: 88:6A:EE:F2:B5:E6:83
-----BEGIN CERTIFICATE-----
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jYnwmiAqihju
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-20T16:56:31+00:00

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

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