Guides & Tutorials
Clear, practical answers to common questions about IP addresses, DNS, and website troubleshooting — each with the right tool to try next.
How to Find the IP Address of a Website
Five reliable ways to find the IP behind any domain — from a one-click lookup to ping, nslookup, and WHOIS.
How to Find the Location of an IP Address
How IP geolocation works, how to look up any IP's approximate location, and the accuracy you can realistically expect.
How to Check if a Website Is Down for Everyone or Just You
Confirm whether an outage is on the site's end or yours, then work through the fixes for the ones that are yours.
IPv4 vs IPv6: What's the Difference?
The differences between IPv4 and IPv6 in plain English — address formats, why IPv6 exists, speed, and whether it matters to you.
What Is My IPv6 Address (and How to Find It)
What an IPv6 address is, how to find yours on any device, and why you often have more than one at the same time.
How to Change Your IP Address
Every practical way to get a new IP — from a router restart to a DHCP renewal to a VPN — and which one fits your situation.
How to Hide Your IP Address
VPN, proxy, or Tor? What hiding your IP actually protects you from, and which method fits which job.
Public vs Private IP Addresses: What's the Difference?
Why your device has two addresses, which ranges are private, how NAT bridges them, and how to look up each one.
How to Flush Your DNS Cache
The exact flush command for every operating system and browser, plus how to confirm stale DNS is really your problem first.
How Long Does DNS Propagation Take?
The honest answer (minutes to 48 hours), the TTL mechanics behind it, and the trick that makes your next migration near-instant.
What Is a Port in Networking?
How 65,535 numbered doors let one IP address run many services, what the famous port numbers do, and why open ports matter for security.
What Is a Good Internet Speed?
Real Mbps requirements per activity, why upload and ping matter more than advertised download, and how to test what you're actually getting.