What you can do here
Each tool runs in your browser or uses public network data you choose to query. We document limits honestly: Geo-IP is approximate, WebRTC behaviour varies by VPN client, and DNS lookups depend on the resolver you pick. Nothing here replaces a full security audit, but the set covers the questions students and IT practitioners ask most often when learning how the internet sees their connection.
Start with What Is My IP for a session overview, then run the WebRTC Leak Test if you rely on a VPN. Use DNS Lookup and Subnet Calculator for coursework and ops, and What Is My User Agent when debugging headers or bot traffic.
FAQ
Are these tools free?
Yes. The ProxyPortals network and security tools on this site are free to use in your browser. Some lookups contact public DNS or Geo-IP services as described on each page.
Do I need an account?
No. Open a tool and use it. We do not require signup for these utilities.
Which tool should I start with?
Start with What Is My IP for a full session overview, then WebRTC Leak Test if you use a VPN, or DNS Lookup and Subnet Calculator for networking coursework and ops tasks.
Do these tools work on mobile?
Yes. Layouts are responsive. WebRTC and Client Hints behaviour can differ by mobile browser — that is expected.
Is my data stored?
Tool-specific processing is explained on each page and in the Privacy Policy. Generated passwords never leave your browser. We do not turn tool visits into accounts.
Can I use these tools for school or work?
Yes. They are designed for students and practitioners learning networking, DNS, addressing and basic privacy checks.
Why ProxyPortals tools instead of a random online checker?
We match a consistent design, document limits honestly, keep sensitive work client-side when possible, and keep the same privacy stance as the rest of the site.
How do I report a bug?
Use the Contact page with the tool name, browser, and what you expected versus what happened.