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

mail.register.it · 195.110.124.132:443

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=Acme Co CN=Kubernetes Ingress Controller Fake Certificate
Issuer
O=Acme Co CN=Kubernetes Ingress Controller Fake Certificate
Valid from
2026-01-19T15:02:59+00:00
Expires
2027-01-19T15:02:59+00:00
Days remaining
115
Serial (hex)
F29B47F6265192E23885FB5DAACD2A85
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:ingress.local

SHA-256 fingerprint

37:7C:6D:B6:33:AF:25:4F:A8:B7:CE:47:EF:F1:59:D6:29:58:20:DE:70:91:BE:D8:A6:B0:65:5F:84:08:02:B5
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectAltName
DNS:ingress.local
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-26T01:03:27+00:00

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

View certificate JSON

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