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

TLSv1.3

correo.geored.com · 91.98.231.230:443

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 expires within 30 days.

Certificate verification failed

Subject
C=CH L=Schaffhausen O=Plesk CN=Plesk emailAddress=info@plesk.com
Issuer
C=CH L=Schaffhausen O=Plesk CN=Plesk emailAddress=info@plesk.com
Valid from
2025-11-17T18:38:20+00:00
Expires
2026-11-17T18:38:20+00:00
Days remaining
20
Serial (hex)
691B6B9C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C0:18:A1:49:72:8B:B1:A6:A9:69:BC:08:03:C1:E3:5C:7C:44:32:2E:FA:F9:02:5C:7E:B6:90:8E:C6:A7:4A:DC
Certificate extensions & PEM
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
B0:9F:B5:DD:26:A6:53:E2:93:7C:A7:16:32:5B:FD:36:54:58:0C:55
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-28T06:08:08+00:00

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

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