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

bbkhost.com · 43.224.30.13:443

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=HK ST=Data Center L=Data Center O=CDN OU=Data Center CN=CDN.Server,CDN.Data.Center
Issuer
CN=CDN Server Data Center O=CDN Data Center C=HK
Valid from
1999-12-31T16:00:00+00:00
Expires
2099-12-31T15:55:00+00:00
Days remaining
26762
Serial (hex)
651B5C741B655229D2DC8AC2C58D7B3F7E22A52B
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:CDN.Server, DNS:CDN.Data.Center

SHA-256 fingerprint

62:A9:C9:E6:57:19:26:DF:50:43:07:D3:F2:A8:BA:43:86:25:D5:3C:9E:04:45:F8:A6:10:09:DA:5A:6C:6C:63
Certificate extensions & PEM
subjectAltName
DNS:CDN.Server, DNS:CDN.Data.Center
basicConstraints
CA:FALSE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-22T18:42:36+00:00

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

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