faqs

Can DNS hijacking steal my banking information?

Yes, this is one of its more dangerous uses. If attackers redirect your DNS to a fake banking site that looks identical to the real one, you could unknowingly enter your login details there. This guide to DNS hijacking types and detection explains how these redirects are set up and spotted.

Is DNS filtering enough to protect my kids online?

DNS filtering can block access to many inappropriate or known-harmful domains before a device even connects, making it a useful first layer. But it isn’t complete, since some content shares servers with safe sites and slips through. This explanation of DNS filtering and its limits covers what it can’t catch.

How do I change my DNS to Google or Cloudflare on Android?

On Android, this is done through Settings, Network and Internet, then Private DNS, where you can enter a provider’s hostname such as one from Google or Cloudflare. This encrypts your DNS requests instead of relying on your carrier’s default. This step-by-step guide to private DNS on Android walks through the setup.

Why does my Android phone keep saying ‘private DNS server cannot be accessed’?

This usually means your phone can’t reach the private DNS hostname you entered, often due to a typo, a network restriction, or a temporary issue with the provider itself. Switching networks or rechecking the address usually resolves it. This guide to private DNS on Android covers common causes and fixes.

What is a DNS leak and how do I test for it?

A DNS leak happens when your DNS requests bypass an encrypted connection and go through your default provider instead, exposing your browsing even when you think it’s protected. Several free online tools can check whether this is happening. This guide to private DNS setup and limits explains how encrypted DNS helps prevent it.

Can my DNS server see my passwords?

A normal DNS server only sees which domain names you’re looking up, not the content of what you type on those sites, including passwords. That said, a compromised or hijacked DNS setup can redirect you to fake sites designed to steal login details. This explanation of DNS hijacking covers that risk.

What is the difference between DNS and a VPN?

DNS translates website names into addresses your device can connect to, while a VPN encrypts and reroutes your entire connection for privacy and security. Some private DNS options add encryption too, but they don’t replace everything a VPN does. This guide to private DNS and its limits explains where the overlap ends.

Will flushing DNS speed up my internet?

Not directly. Flushing DNS clears outdated lookup records, which can fix loading errors or incorrect redirects, but it doesn’t affect your actual connection speed or bandwidth. Any perceived speed boost usually comes from fixing a specific loading problem. This guide to DNS flushing clears up this common misconception.

How often should I flush my DNS cache?

Most people never need to flush DNS regularly, since it only helps when there’s a specific problem, like outdated records causing a site to load incorrectly. It’s a troubleshooting step, not routine maintenance. This explanation of what DNS flushing does covers when it’s actually worth doing.

What does clearing my DNS cache actually do?

Your device temporarily stores DNS lookups so it doesn’t have to repeat them for sites you’ve already visited. Clearing this cache removes that stored information, forcing your device to look up addresses fresh the next time you visit a site. This guide to DNS flushing explains when this actually helps.

Can someone track my location through a photo I post?

Photos can contain hidden location data embedded by your phone’s camera, and even without it, visible landmarks or backgrounds can reveal where a picture was taken. Combined with other collected details, this can be enough to pinpoint you. This explanation of what data brokers do shows how small clues add up.

Do smart speakers listen to everything I say?

Smart speakers are designed to listen only for a wake word before recording and sending audio elsewhere, though occasional accidental triggers do happen. The bigger privacy concern is usually what happens to the data once a recording is captured. This guide to spotting spying apps and devices explains what’s worth watching for.

Are free VPNs safe or do they sell my data?

Running a VPN service costs money, so free ones often make up the difference by logging and selling user data, sometimes to the same kinds of companies a VPN is supposed to protect you from. This explanation of what data brokers do shows why “free” often has a hidden cost.

How do I find out which data brokers have my info?

There’s no single master list, since dozens of companies buy, sell, and share personal data independently. Some brokers let you search their database directly, though most people never learn the full extent of where their information ends up. This guide to what data brokers do explains where this data actually comes from.

Can a data broker remove my information if I ask?

Many data brokers offer an opt-out process, but it’s often manual, slow, and needs to be repeated since your information can reappear from other sources over time. There’s no single request that removes you everywhere at once. This explanation of what data brokers do covers how this cycle works.