Privacy & Network Guides
In-depth guides on IP addresses, DNS, VPNs and network security. Free to read, no signup required.
IP Basics
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What is an IP address?
Understand IPv4, IPv6, public vs private IPs and why your IP matters for privacy.
Read guide →Privacy
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How to hide your IP address
VPN, Tor, proxy — complete guide to protecting your IP address online.
Read guide →DNS
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What is DNS and how does it work?
From domain name to IP address — how the Domain Name System resolves your requests.
Read guide →Tools
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IP address lookup explained
How IP geolocation works, how accurate it is, and what data can be retrieved.
Read guide →Security
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What are open ports?
TCP/UDP ports explained — why they matter for security and how to check them.
Read guide →Privacy
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VPN vs Proxy — what's the difference?
Compare VPNs and proxies for privacy, speed, security and ease of use.
Read guide →