SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
assystem-digitalservices.com
SSL/TLS Certificate
SSL/TLS Certificate for assystem-digitalservices.com
Expired- Issued by (CA)
- Gandi
- Subject
- assystem-digitalservices.com
- Valid from
- Sep 5, 2024
- Valid until
- Oct 4, 2025 (expired 381 days ago)
- Public key
- EC 256-bit
- Serial
- E1F563DC01DAC38447A2C3ACDB356CB5
- SHA-256 fingerprint
- 29:1B:F0:31:2D:E3:27:6E:8F:81:74:DC:16:B7:84:07:B0:D8:FE:64:C0:4F:5A:33:33:D7:19:E2:41:B6:41:18
- Chain
- Gandi RSA Domain Validation Secure Server CA 3 → USERTrust RSA Certification Authority
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, CNAME, TXT 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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