SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
siti-impianti.com
SSL/TLS Certificate
SSL/TLS Certificate for siti-impianti.com
Valid- Issued by (CA)
- Actalis S.p.A.
- Subject
- *.siti-impianti.com
- Valid from
- Oct 29, 2026
- Valid until
- May 16, 2027 (184 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 5812F5BE4158DAE6EF6841248ACF128E
- SHA-256 fingerprint
- B2:C9:5D:1A:52:AE:00:8C:89:F1:C6:82:CA:AF:54:87:35:99:BC:1C:9A:90:E4:01:70:08:28:10:EA:8C:7B:C5
- Chain
- Actalis Domain Validated TLS Server RSA CA 2025 → Actalis TLS Server RSA Root CA 2025 → Actalis Authentication Root CA
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by siti-impianti.com's certificate expiring
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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.
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