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 hisi.fr
Expired- Issued by (CA)
- Gandi SAS
- Subject
- *.hisi.fr
- Valid from
- Dec 23, 2024
- Valid until
- Dec 22, 2025 (expired 220 days ago)
- Public key
- RSA 4096-bit
- Serial
- 0D7F2CF345F36D42BC66CEC4B933297B
- SHA-256 fingerprint
- 0B:5B:64:6A:01:48:7D:8B:CE:38:3D:63:EA:FD:8E:9E:15:48:99:DB:F4:E2:45:1E:82:A1:1A:AC:DA:B2:D9:F9
- Chain
- GandiCert → DigiCert Global Root G2
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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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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