SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
hknano.ca
SSL/TLS Certificate
SSL/TLS Certificate for hknano.ca
Expired- Issued by (CA)
- Let's Encrypt
- Subject
- finexusai.com
- Valid from
- Apr 15, 2026
- Valid until
- Jul 14, 2026 (expired 26 days ago)
- Public key
- EC 256-bit
- Serial
- 0592FD2DCDDA4536063DEF7E1C622AF2F0EC
- SHA-256 fingerprint
- 49:B5:5A:55:5A:6B:B5:69:DC:B2:B6:D3:D1:91:85:B0:D8:AE:BE:ED:7A:A3:F3:C0:95:5B:D2:74:A5:89:4C:22
- Chain
- E8 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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This is today's certificate. Turn on monitoring and we'll watch hknano.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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