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

ns3.leonix.fr · 79.137.34.228:443

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
CN=TRAEFIK DEFAULT CERT
Issuer
CN=TRAEFIK DEFAULT CERT
Valid from
2026-08-16T09:07:30+00:00
Expires
2027-08-16T09:07:30+00:00
Days remaining
311
Serial (hex)
71D8D8CE849C32210A11116901A45A78
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:1e8766b4b2690cc3b26e775f90a7dc74.0b92dba8a175e5219f06ce294b0e8b18.traefik.default

SHA-256 fingerprint

91:25:A0:D2:3B:5B:17:18:0F:16:72:AD:51:5B:98:38:9D:A8:1A:66:3E:1E:9B:7F:50:AF:5F:C5:42:6C:6C:2A
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment, Data Encipherment, Key Agreement
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectAltName
DNS:1e8766b4b2690cc3b26e775f90a7dc74.0b92dba8a175e5219f06ce294b0e8b18.traefik.default
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-08T20:43:13+00:00

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

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