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 l-box.tech

Valid
Issued by (CA)
Let's Encrypt
Subject
l-box.tech
Valid from
Jun 28, 2026
Valid until
Sep 26, 2026 (48 days remaining)
Public key
RSA 4096-bit
Serial
05D7C0BABC3AF9B3F976465DE09BEDB6B1CA
SHA-256 fingerprint
40:22:44:AE:E5:B6:C2:CD:F7:4A:62:45:82:DB:5A:73:20:65:E3:5F:32:94:AE:53:DF:0D:3A:EB:90:58:D1:EF
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (1)
l-box.tech

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.

Never get surprised by l-box.tech's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch l-box.tech 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.

Monitor this certificate free

Free for your first domain: uptime, DNS, and certificate together. No credit card.