Protected destinations
Nova Shield checks destination changes, explains risk signals, and warns or blocks when necessary.
Continuous destination security
Every link checked before and after you share it
Nova Shield evaluates DNS, TLS, network boundaries, redirect behavior, domain age, and available reputation evidence—then keeps monitoring saved destinations.
Protected by Nova ShieldMobile friendlyFree to start
NOVA SHIELDContinuous monitoring
4U
Safety score97/100
Low riskDNS ✓TLS ✓RDAP ✓Redirects ✓
✓Protected destinations
∞Reliable redirects
◌Privacy-conscious measurement
↗Export and portability
How it works
From destination to measurable result
A clear workflow with security and control built into every step.
- 01
Inspect before sharing
Resolve the destination safely and explain the evidence behind its score.
- 02
Respond proportionally
Allow safe traffic, warn on uncertainty, and quarantine high-confidence threats.
- 03
Monitor after creation
Refresh stale evidence and recheck destinations when risk or activity changes.
Built for real use
Control, measurement, and continuity
Measurable outcomes
Connect clicks to campaigns, verified conversions, and revenue—not just vanity charts.
Reliable redirects
Your links keep redirecting when detailed analytics limits are reached or a paid plan is downgraded.
Brand and control
Use branded domains, custom QR codes, access rules, campaigns, and workspaces without losing ownership.
Frequently asked questions
Useful answers before you start
Can I use 4ul.ink for free?
Yes. You can create guest links without an account or create a free workspace with dashboard access and core link-management features. Paid plans add higher limits and advanced tools.
Do I need an account?
No. You can create a guest link without registering. Create a free account to save your links, access analytics, and manage link settings from your dashboard.
Can I track guest links?
Guest links are designed for quick, temporary sharing. Create a free workspace to save links and access their analytics.
Start now
Create your first protected link
Start free, keep control, and add advanced capabilities when you need them.