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

ns2.lantech.com.ar · 190.104.198.79:443

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=Nginx Proxy Manager OU=Dummy Certificate CN=localhost
Issuer
O=Nginx Proxy Manager OU=Dummy Certificate CN=localhost
Valid from
2021-03-31T12:09:47+00:00
Expires
2031-03-29T12:09:47+00:00
Days remaining
1642
Serial (hex)
0A74EFDC78910219A9FE491E0A6C4C03852FFD7B
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

D3:38:39:D4:4E:8F:2D:D4:6C:C8:85:94:8E:9F:1C:1B:8D:08:73:D0:F4:EF:64:22:A3:DE:09:59:DE:24:AA:F2
Certificate extensions & PEM
subjectKeyIdentifier
71:72:1C:FF:51:7A:6D:63:F3:7C:04:D2:F4:93:E8:38:C8:36:F5:81
authorityKeyIdentifier
71:72:1C:FF:51:7A:6D:63:F3:7C:04:D2:F4:93:E8:38:C8:36:F5:81
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-28T23:25:56+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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