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.tze.com.br · 187.85.179.2:443

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
C=BR ST=UF L=Cidade O=Empresa CN=192.168.14.30 emailAddress=postmaster@midias4.com.br
Issuer
C=BR ST=UF L=Cidade O=Empresa CN=192.168.14.30 emailAddress=postmaster@midias4.com.br
Valid from
2026-06-18T11:17:46+00:00
Expires
2076-06-05T11:17:46+00:00
Days remaining
18132
Serial (hex)
5993EF15C3B6CC9543DA7334C596642B571C3BD6
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

D7:40:5E:BB:E8:68:D2:52:CE:22:27:9A:D3:EF:42:69:9D:98:3A:2F:5B:16:AE:B4:8D:A9:10:2E:E4:14:1F:DB
Certificate extensions & PEM
subjectKeyIdentifier
3E:B3:BE:D9:DD:99:0E:AC:50:09:7B:03:90:76:D0:EC:9B:F1:2D:19
authorityKeyIdentifier
3E:B3:BE:D9:DD:99:0E:AC:50:09:7B:03:90:76:D0:EC:9B:F1:2D:19
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-13T12:17:11+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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