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

dns.seti.com.br · 200.174.56.40:443

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
2026-09-04T19:46:28+00:00
Expires
2027-09-04T19:46:28+00:00
Days remaining
326
Serial (hex)
4AB3F7D374BD3FC07457E22166F9EED3
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:ingress.local

SHA-256 fingerprint

F0:99:22:20:CC:AE:E6:BF:3A:C0:25:D3:E7:73:93:70:37:37:E3:B0:7E:82:EB:F3:6F:05:B2:27:9A:3C:19:33
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 2026-10-13T00:51:07+00:00

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

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