THE CERTIFICATE BEHIND THE CONNECTION

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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

vanoppen.com · 168.245.136.148:443

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=localhost.localdomain emailAddress=root@localhost.localdomain
Issuer
C=-- ST=SomeState L=SomeCity O=SomeOrganization OU=SomeOrganizationalUnit CN=localhost.localdomain emailAddress=root@localhost.localdomain
Valid from
2017-03-18T23:51:20+00:00
Expires
2018-03-18T23:51:20+00:00
Days remaining
-3114
Serial (hex)
7675
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

DD:81:FB:36:F9:48:9D:6A:CC:25:48:83:32:72:FC:F7:43:CB:2E:7B:5F:62:77:18:A4:5B:5E:C9:72:B1:75:95
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 2026-09-26T05:17:12+00:00

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

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