THE CERTIFICATE BEHIND THE CONNECTION

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Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

frigg.dnsnodes.com · 217.79.214.245:443

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: C=DE ST=RLP L=Vallendar O=CPS-Datensysteme GmbH CN=*.cps-datensysteme.de
Issuer: C=DE ST=RLP L=Vallendar O=CPS-Datensysteme GmbH CN=*.cps-datensysteme.de
Valid from: 2026-04-30T12:40:40+00:00
Expires: 2036-04-27T12:40:40+00:00
Days remaining: 3501
Serial (hex): BEF30961D386CD68
Signature: RSA-SHA256
Public key: RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

2A:80:22:96:36:29:AA:0C:8F:7D:91:66:3D:F0:49:33:F0:DA:6D:38:97:48:56:8D:4A:4F:83:48:08:0F:00:C3

Certificate extensions & PEM

subjectKeyIdentifier: 0C:60:E4:13:1C:17:E1:F3:23:3E:A7:BD:5C:19:38:46:EB:7F:D0:1F
authorityKeyIdentifier: 0C:60:E4:13:1C:17:E1:F3:23:3E:A7:BD:5C:19:38:46:EB:7F:D0:1F
basicConstraints: CA:TRUE

-----BEGIN CERTIFICATE-----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lS04PfNP5cPDI2Y4ESfm8QYXsYecNZVc9OdDFHmW6QdZ8ywWHwFoQDr3r7wZzNJo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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-25T16:16:49+00:00

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

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