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

TLSv1.2

rr64.com.br · 157.230.220.37:443

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
The certificate has expired.

Certificate verification failed

Subject
C=XX ST= L=Default City O=Default Company Ltd
Issuer
C=XX ST= L=Default City O=Default Company Ltd
Valid from
2020-04-02T15:08:21+00:00
Expires
2021-04-02T15:08:21+00:00
Days remaining
-2023
Serial (hex)
822B9D2DECE9945C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

10:E3:DA:F9:1E:58:BC:27:EF:59:C8:2B:96:64:16:5D:92:C7:9E:37:14:AE:59:96:92:B9:3C:7C:1A:32:1A:3B
Certificate extensions & PEM
subjectKeyIdentifier
4A:52:48:20:56:B1:01:06:D0:D0:91:92:95:07:51:21:13:29:D7:3F
authorityKeyIdentifier
4A:52:48:20:56:B1:01:06:D0:D0:91:92:95:07:51:21:13:29:D7:3F
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-16T03:02:18+00:00

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

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