SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
SSL/TLS Certificate for ufpb.br
Valid- Issued by (CA)
- GlobalSign nv-sa
- Subject
- *.ufpb.br
- Valid from
- Sep 15, 2025
- Valid until
- Oct 17, 2026 (32 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 077FA9313D1A1E56D1C68259
- SHA-256 fingerprint
- 8F:83:26:FB:01:D6:2F:79:0F:EA:AC:B4:1A:7F:12:50:92:17:14:28:12:EF:42:A8:C7:B6:71:6A:37:F2:29:C7
- Chain
- GlobalSign RSA OV SSL CA 2018 → GlobalSign
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Aug 5, 2026.
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Uptime
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DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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