SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
lumida-ai.com
SSL/TLS Certificate
SSL/TLS Certificate for lumida-ai.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- lumida-ai.com
- Valid from
- Aug 25, 2026
- Valid until
- Nov 23, 2026 (41 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05BFD1F1E82DCC1ABF331E856FC040C3A1CD
- SHA-256 fingerprint
- 42:52:92:FB:FA:E8:26:56:EB:D3:29:8E:6F:63:E5:4E:E7:4E:C5:3C:B2:4D:43:B8:82:9F:E5:04:C7:E5:34:1F
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
We've observed 1 previous certificate for this host. This certificate has been served since Oct 11, 2026.
Never get surprised by lumida-ai.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch lumida-ai.com 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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