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 agtek.fr
Valid- Issued by (CA)
- Gandi SAS
- Subject
- agtek.fr
- Valid from
- Oct 13, 2025
- Valid until
- Nov 8, 2026 (35 days remaining)
- Public key
- EC 256-bit
- Serial
- 0245D4F7041996C2C8D4C18A49FFED6D
- SHA-256 fingerprint
- 2D:1B:E0:8F:80:FE:C9:50:87:89:9C:4B:BA:86:AC:FD:8D:35:89:18:E9:13:0B:F2:1C:F9:6F:36:1C:03:F6:E4
- 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.
This certificate has been served since Sep 30, 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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