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

bearshield.top · 188.127.249.131:443

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=localhost
Issuer
CN=localhost
Valid from
2023-02-02T15:01:47+00:00
Expires
2033-01-30T15:01:47+00:00
Days remaining
2268
Serial (hex)
938B3B6F672327B8
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

0D:2E:B2:AC:77:F2:B4:E8:49:52:8E:A7:CA:4A:55:EC:81:8A:51:63:5B:54:2D:E1:DB:3F:5E:E1:62:25:50:3A
Certificate extensions & PEM
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-14T21:25:48+00:00

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

View certificate JSON

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