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.thabrulai.com.br · 177.200.218.42:443

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=AU ST=Some-State L=Cidade O=Internet Widgits Pty Ltd CN=192.168.0.254
Issuer
C=AU ST=Some-State L=Cidade O=Internet Widgits Pty Ltd CN=192.168.0.254
Valid from
2023-05-28T12:57:18+00:00
Expires
2073-05-15T12:57:18+00:00
Days remaining
16991
Serial (hex)
584592F974FEF45142B717A73B7ADCF59277ECFE
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

6E:F0:0F:6E:F8:6F:E1:21:6B:FB:CD:F2:D9:1C:00:E5:97:24:8F:94:EF:FD:C6:B8:5D:A0:60:F5:70:0B:28:58
Certificate extensions & PEM
subjectKeyIdentifier
48:6D:64:71:C0:C6:81:19:BA:B4:8B:28:E9:5E:B7:9E:03:8B:9B:97
authorityKeyIdentifier
48:6D:64:71:C0:C6:81:19:BA:B4:8B:28:E9:5E:B7:9E:03:8B:9B:97
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-07T02:51:24+00:00

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

View certificate JSON

Registration / WHOIS →DNS records →