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 li-fi.ca
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.li-fi.ca
- Valid from
- Jul 6, 2026
- Valid until
- Oct 4, 2026 (70 days remaining)
- Public key
- EC 384-bit
- Serial
- 053690A75CEA6158885D23E44CBC2EE198C9
- SHA-256 fingerprint
- E9:ED:17:2A:49:F8:76:82:B1:6E:E5:65:CE:71:36:76:25:C8:BA:D9:A4:B3:80:E6:C4:F1:CD:68:4C:C8:D6:1A
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by li-fi.ca's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch li-fi.ca 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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