Blog
Privacy, security, and how the internet works.
How to Find Out Your ISP From Your IP Address
Look up which ISP or network owns your public IP. How the lookup works, why the name may not match your bill, and when VPN, mobile, or CGNAT change the result.
Check Point VPN Flaws: What Normal Users Should Know
CVE-2026-85102 and CVE-2026-85103 hit Check Point enterprise VPN gateways, not consumer VPN apps. What that means for your exit IP and company remote access.
Site Down or DNS/IP Issue? How to Tell
Use a second network, browser checks and DNS results to narrow down a website failure without assuming one test proves the cause.
DNS TTL Before a Domain Move: A Simple Plan
Lower DNS TTL before you move a domain or host — timeline, which records to touch, how long to wait, and how to verify the cutover without guessing.
What a VPN Changes on Your Visible IP
Turn a VPN on and the public IP websites see usually changes. Here is what flips (exit IP, ISP label, geo), what stays the same, and how to verify it.
What Is CGNAT? Shared Public IP Explained
What is CGNAT? Why ISPs share one public IPv4 across many homes, how to spot it on your router, and what breaks for gaming and port forwards.
What Is DNS Propagation? (And How Long)
What is DNS propagation? Why DNS changes take time, what TTL controls, and how to check whether resolvers see your new A or MX records today.
IPv4 vs IPv6: What Normal Users Need
IPv4 vs IPv6 for normal users: what the family shown on FindMyIP means, what dual-stack means at home, and when a broken IPv6 path makes only some sites fail.
How to Read DNS Lookup Results
How to read a DNS lookup: what A, AAAA, MX, NS, and TXT records mean — plus how to spot missing mail, wrong IPs, and nameserver mismatches fast.
Public vs Private IP Address Explained
Public vs private IP explained: RFC1918 home ranges, when each address appears, and how to check which one the open internet actually sees today.
What Your IP Address Reveals (And Who Sees It)
Your public IP can suggest a network owner and approximate location. Here's what it reveals, who typically sees it, and how a VPN changes that view.
What Can Your ISP See? HTTPS, Encrypted DNS and VPNs
Understand what your ISP can observe, what HTTPS and encrypted DNS hide, and when a VPN changes that visibility.