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

hardenedvpn.com · 209.141.39.234:443

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
O=CloudFlare, Inc. OU=CloudFlare Origin CA CN=CloudFlare Origin Certificate
Issuer
C=US O=CloudFlare, Inc. OU=CloudFlare Origin SSL Certificate Authority L=San Francisco ST=California
Valid from
2019-10-26T07:35:00+00:00
Expires
2034-10-22T07:35:00+00:00
Days remaining
2913
Serial (hex)
01A16A5529BF8259FD72BC93323F6F6054BA9041
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.hardenedvpn.com, DNS:hardenedvpn.com

SHA-256 fingerprint

09:30:2B:B4:50:7C:9A:C9:53:4B:B3:C8:26:14:EE:AA:50:A0:08:D8:78:23:9D:AF:2D:44:5D:2F:F1:53:36:25
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
25:97:36:F4:C9:E7:7E:F8:1B:E8:7B:B1:52:B4:E2:DD:95:3B:FF:93
authorityKeyIdentifier
24:E8:53:57:5D:7C:34:40:87:A9:EB:94:DB:BA:E1:16:78:FC:29:A4
authorityInfoAccess
OCSP - URI:http://ocsp.cloudflare.com/origin_ca
subjectAltName
DNS:*.hardenedvpn.com, DNS:hardenedvpn.com
crlDistributionPoints
Full Name: URI:http://crl.cloudflare.com/origin_ca.crl 
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-30T16:02:37+00:00

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

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