SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
lalsace.fr
SSL/TLS Certificate
SSL/TLS Certificate for lalsace.fr
Valid- Issued by (CA)
- GlobalSign nv-sa
- Subject
- *.lalsace.fr
- Valid from
- Jan 5, 2026
- Valid until
- Feb 6, 2027 (179 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 4B4CF07B1F73230C160ACA6A
- SHA-256 fingerprint
- 22:D6:35:2B:BF:3F:D3:FF:39:26:F5:37:E2:BB:0D:0B:6B:02:6D:92:7F:6B:27:1B:16:B5:27:C6:F5:D2:83:2F
- Chain
- GlobalSign RSA OV SSL CA 2018 → GlobalSign
Certificate Authority Authorization (CAA)
The serving CA (GlobalSign nv-sa) is authorized by this domain's CAA records (certigna.fr, digicert.com, globalsign.com, letsencrypt.org).
This certificate has been served since Aug 10, 2026.
Never get surprised by lalsace.fr's certificate expiring
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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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