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

TLSv1.2

co.ltd · 112.124.22.204:443

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
Issuer
Valid from
2024-03-07T07:45:58+00:00
Expires
2034-03-05T07:45:58+00:00
Days remaining
2720
Serial (hex)
0
Signature
RSA-MD5
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4E:97:CB:7A:8A:96:9D:BD:64:5C:6E:9B:9D:E0:1A:FD:97:44:E9:6A:C3:8E:0A:FC:A8:09:DC:69:85:10:60:13
Certificate extensions & PEM
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-22T18:46:32+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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