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 leaf-tek.com

Expiring soon
Issued by (CA)
Starfield Technologies, Inc.
Subject
leaf-tek.com
Valid from
Apr 9, 2026
Valid until
Oct 24, 2026 (13 days remaining)
Public key
RSA 2048-bit
Serial
1F06BDF7E05E370A
SHA-256 fingerprint
33:42:B8:BC:82:FA:B6:8B:FB:8B:07:A0:D2:EF:38:82:55:1C:75:66:9D:00:12:FD:8B:39:FC:E7:90:F4:E2:B1
Chain
Starfield Secure Certificate Authority - G2 → Starfield Root Certificate Authority - G2
Subject Alternative Names (2)
leaf-tek.com, www.leaf-tek.com

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 Oct 3, 2026.

Never get surprised by leaf-tek.com's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch leaf-tek.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.

Monitor this certificate free

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