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

ns1.seti.com.br · 187.109.122.57:443

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
2026-11-06T02:01:23+00:00
Expires
2027-11-06T02:01:23+00:00
Days remaining
364
Serial (hex)
03EA0ED8216E3261095A424F3E6536C4
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:845aea22c4d65fa2c91bdfc935e83030.db736ef0700c67f1eca6a4c46a7288dc.traefik.default

SHA-256 fingerprint

CF:4B:E6:B3:EE:F3:4D:F1:F1:3A:EC:C6:67:68:24:AE:86:6F:6A:8A:01:B3:81:6F:98:34:EE:F2:36:58:77:4C
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment, Data Encipherment, Key Agreement
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectAltName
DNS:845aea22c4d65fa2c91bdfc935e83030.db736ef0700c67f1eca6a4c46a7288dc.traefik.default
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-06T20:59:03+00:00

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

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