uDomainFlag is a lightweight browser extension that instantly shows the server location of any website you visit.

A flag icon appears in your toolbar, providing detailed technical information with a single click - including the server's country, city, and IP address.

This tool is perfect for web developers, security professionals, and anyone interested in understanding the geographical context of their online activities.

Learn more and how to install it

Knowing where a server is located helps you understand data jurisdiction, potential risks, and content routing.

Whether for security, compliance, or awareness - location transparency gives you back control.

With uDomainFlag, you can quickly identify the server's country and city, helping you make informed decisions about the websites you visit.

Learn more about how it works

Beyond flags, uDomainFlag offers advanced insights for power users and enterprises:

• Server IP & reverse DNS
• Geolocation data
• AS Number (ASN) & organization details
• CDN and IPv6 detection
• API integration for internal tools
• Customizable settings
• Open-source code for transparency
• Integration for internal resources

These features make uDomainFlag a versatile tool for developers, security teams, and anyone needing deeper insights into web infrastructure.
With Group Policies, enterprises can enforce consistent settings across teams, ensuring everyone has access to the same powerful features.

Learn more about the enterprise features