SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
SSL/TLS Certificate for al-fi.it
Valid- Issued by (CA)
- Actalis S.p.A.
- Subject
- *.al-fi.it
- Valid from
- Nov 12, 2025
- Valid until
- Dec 13, 2026 (91 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 5188E95C7AAC7C4F866B6684E87301AA
- SHA-256 fingerprint
- BC:CB:2E:21:47:37:83:5C:5A:CD:DD:DF:1A:A6:5A:15:3C:B2:AF:DC:19:5F:2F:28:AB:2C:53:27:D3:E3:31:F7
- 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 Aug 18, 2026.
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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, 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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