Free Tools
Instant, anonymous checks for a domain, its website, email, and infrastructure - free, with no sign-up. Create a free account when you want to save results and monitor assets with Nexa Monitor.
New here? See what each tool checks.
Quick Scan
One-click complete health scan across your domain, website, email, and infrastructure.
Email Signatures
Design a polished email signature and copy it into any client.
Email Signature Generator
Pick a template, add your details, and copy your signature - free, no sign-up.
Open ToolIntelligence
Understand a domain, its email, and its website in depth.
Infrastructure
Inspect the certificates, records, and resolvers behind a domain.
Performance
A quick read on how fast a page loads.
Nexa Monitor
Run it once. We'll keep watching.
These checks are a snapshot. Nexa Monitor re-runs them on a schedule and alerts you when your SSL, DNS, or email setup drifts.
Free during Early Access · No credit card