SkyPath Learn
Learn how the internet shows you
Short, plain-language guides — what IPs, DNS, ports, and leaks actually mean, with a simple diagram and a way to check yourself.
- 11 guides
- Plain language
- Diagrams
- Free
5
Privacy
Find out what your connection reveals about you — your IP address, DNS resolvers, WebRTC leaks, and browser fingerprint.
- What is a public IP address?What websites see, and how a VPN changes it.
- What is a DNS leak?Why VPN users care when lookups still reach the ISP.
- What is a WebRTC leak?How browsers can reveal IPs a VPN was meant to hide.
- How websites detect a VPNDatacenter IPs, proxy lists, and what detection is not.
- What is a browser fingerprint?Why a VPN does not make your browser look different.
6
Network
Diagnose reachability, latency, routing, and DNS records from our network instead of yours.
- How IP geolocation worksRegistry data, not GPS — and why city can be wrong.
- What is an open TCP port?Open, closed, filtered, and why forwarding needs an outside check.
- Why UDP ports are differentNo handshake, lots of silence, and VPN/game ports.
- What ping actually measuresICMP latency versus “the website loads.”
- What traceroute showsHops, timeouts, and whose path you are seeing.
- What DNS records tell youA, MX, TXT, and why that is not a leak test.
Tools
Open the tools
Every guide has a matching live check — run it when you want numbers, not only an explanation.
