SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
si-group.it
SSL/TLS Certificate
SSL/TLS Certificate for si-group.it
Valid- Issued by (CA)
- Actalis S.p.A.
- Subject
- *.si-group.it
- Valid from
- Feb 9, 2026
- Valid until
- Feb 9, 2027 (126 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 24B08C2A5D4C6255B45D3E14F53C3698
- SHA-256 fingerprint
- 32:46:94:F0:17:8E:15:02:40:A1:14:43:B4:96:ED:D1:46:98:B8:07:F8:AB:26:E9:74:20:A1:F0:2E:75:E0:DE
- Chain
- Actalis Domain Validation Server CA G3 → Actalis Authentication Root CA
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 Oct 3, 2026.
Never get surprised by si-group.it's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch si-group.it 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, 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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