SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
alsace-histoire.org
SSL/TLS Certificate
SSL/TLS Certificate for alsace-histoire.org
Valid- Issued by (CA)
- Gandi SAS
- Subject
- www.alsace-histoire.org
- Valid from
- Jul 3, 2026
- Valid until
- Jan 17, 2027 (91 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0DE6AA52111606EBFC83485C65A60229
- SHA-256 fingerprint
- 01:AB:67:EB:3E:F0:8C:96:F4:CD:97:FF:45:D9:78:B2:E5:36:AB:F3:A1:82:0C:52:A1:C4:18:18:E8:12:D8:3E
- 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 19, 2026.
Never get surprised by alsace-histoire.org's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch alsace-histoire.org continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.