SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
groupe-insa.fr
SSL/TLS Certificate
SSL/TLS Certificate for groupe-insa.fr
Valid- Issued by (CA)
- Hellenic Academic and Research Institutions CA
- Subject
- groupe-insa.fr
- Valid from
- Jan 1, 2026
- Valid until
- Jan 1, 2027 (50 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 130BFE31242C8F6F650229703965ACBD
- SHA-256 fingerprint
- 9B:75:FF:97:C3:FC:F6:7B:F7:56:1F:C8:0C:09:6B:03:93:2C:9A:1C:A9:98:6D:71:34:12:15:96:2E:8A:49:B4
- Chain
- GEANT TLS RSA 1 → HARICA TLS RSA Root CA 2021 → Hellenic Academic and Research Institutions RootCA 2015
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
We've observed 1 previous certificate for this host. This certificate has been served since Nov 9, 2026.
Never get surprised by groupe-insa.fr's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch groupe-insa.fr 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.