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

zbbinc.com · 23.252.81.37:443

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
The certificate has expired.

Certificate verification failed

Subject
CN=*.zbbinc.com emailAddress=zbbinc@vhost1.zetabroadband.com
Issuer
CN=*.zbbinc.com emailAddress=zbbinc@vhost1.zetabroadband.com
Valid from
2020-01-15T22:25:05+00:00
Expires
2025-01-13T22:25:05+00:00
Days remaining
-661
Serial (hex)
FABFD85E68D4CDB3
Signature
RSA-SHA1
Public key
RSA 2048

Subject alternative names (SAN)

DNS:zbbinc.com

SHA-256 fingerprint

B0:BF:BB:F8:6E:16:62:AA:8D:7A:EF:5F:ED:E6:82:91:93:C3:75:B9:60:34:57:1E:E1:E3:2A:44:46:9E:93:49
Certificate extensions & PEM
subjectAltName
DNS:zbbinc.com
subjectKeyIdentifier
D5:63:A1:5D:F1:AC:B8:62:98:AE:33:B8:D3:1C:B8:23:49:21:BD:2D
authorityKeyIdentifier
D5:63:A1:5D:F1:AC:B8:62:98:AE:33:B8:D3:1C:B8:23:49:21:BD:2D
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-05T08:51:12+00:00

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

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