SSL Tools

Certificate Chain Deep Dive

Comprehensive certificate chain validation and CRL revocation analysis.

HTTPS://

cnt.org.br

3/7/2026, 10:23:26 am UTC

Certificate Chain Validation

✅ The certificate should be trusted by all major web browsers (all the correct intermediate certificates are installed).

Certificate Details

End Entity

Leaf Certificate
Download PEM
Subject: *.cnt.org.br
Issuer: GlobalSign GCC R6 AlphaSSL CA 2023
Serial (Decimal): 21323319625238493670074825062
Serial (Hex): 44E63C911D43F7B7F5813966

Valid From: 2025-05-30 14:31:30

Valid Until: 2026-07-01 14:31:29

Signature: RSA-SHA256

Version: 3

OCSP URLs:
http://ocsp.globalsign.com/gsgccr6alphasslca2023
CRL Revocation Status:

✅ Certificate not found in CRL (not revoked)

CRL size: 22028 bytes

CRL URL

http://crl.globalsign.com/gsgccr6alphasslca2023.crl

Subject: GlobalSign GCC R6 AlphaSSL CA 2023
Issuer: GlobalSign
Serial (Decimal): 168973820516572524429807138621339950720
Serial (Hex): 7F1F2C902E83D0E3B6FB3BEE478B5E80

Valid From: 2023-07-19 03:43:25

Valid Until: 2026-07-19 00:00:00

Signature: RSA-SHA256

Version: 3