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

kagoya.net · 133.18.75.100:443

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
C=-- ST=SomeState L=SomeCity O=SomeOrganization OU=SomeOrganizationalUnit CN=www.kagoya.net emailAddress=root@www.kagoya.net
Issuer
C=-- ST=SomeState L=SomeCity O=SomeOrganization OU=SomeOrganizationalUnit CN=www.kagoya.net emailAddress=root@www.kagoya.net
Valid from
2023-09-29T01:02:12+00:00
Expires
2024-09-28T01:02:12+00:00
Days remaining
-748
Serial (hex)
05D2
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

88:91:C2:EC:A9:19:41:AB:1A:59:19:64:08:84:83:C5:DD:8F:D0:C8:95:3C:41:27:CD:43:F3:2B:37:5E:3C:DF
Certificate extensions & PEM
basicConstraints
CA:FALSE
keyUsage
Digital Signature, Non Repudiation, Key Encipherment
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-15T01:50:37+00:00

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

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