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

a.mx.setinet.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
2026-10-15T12:28:39+00:00
Expires
2027-10-15T12:28:39+00:00
Days remaining
364
Serial (hex)
B684DF1AD8CDEE14EE7121F01AB1FDFE
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:2d2fb2c71e1198aafab65a595bea76e2.fcf3701bf48885b6e416a007cbcf4771.traefik.default

SHA-256 fingerprint

6E:4D:BC:BC:F7:03:9A:30:FB:81:A6:C2:0C:FF:ED:6D:A8:67:B2:F6:B2:54:5D:5C:01:A0:0E:75:02:F3:31:22
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment, Data Encipherment, Key Agreement
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectAltName
DNS:2d2fb2c71e1198aafab65a595bea76e2.fcf3701bf48885b6e416a007cbcf4771.traefik.default
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-15T15:09:12+00:00

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

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