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What is DNS and how does it work?
The Domain Name System turns readable website names into the network addresses phones use to connect.
- Understand DNS lookups
- Learn where DNS exposure happens
- Compare with a DNS leak test
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DNS is the internet address book
Before a phone can reach a website, it usually asks a resolver for the numerical address associated with the domain name.
The resolver handling that request can learn which domains are being requested even when the page itself uses HTTPS.
The DNS path matters
DNS is a small request with a large privacy role.
- Name resolutionDNS maps human-readable domains to network addresses.
- Resolver visibilityThe active resolver can observe the requested domain name.
- Protected routingxVPN keeps supported DNS requests with the encrypted mobile route.
Check the DNS route
Compare which resolvers appear before and after connecting xVPN.
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Use Smart Location or select a country from the xVPN server list.
Explore more
Continue with a related feature, platform guide, privacy tool, or server resource.
DNS FAQ
Six direct answers about domains, resolvers, leaks, and private DNS.
What does DNS mean?
DNS means Domain Name System, the distributed service that maps domain names to network addresses.
Why can DNS affect privacy?
A resolver can observe the domain names requested by the device even when the content of a secure page remains encrypted.
How does a DNS lookup work?
The device asks a resolver for the address of a domain, receives an answer, and then connects to that address.
Where can a DNS leak occur?
A leak can come from operating-system, browser, router, or VPN settings that send requests outside the intended protected route.
When should I run a DNS leak test?
Run it after connecting a VPN and after changing DNS, Wi-Fi, cellular, or browser settings.
Who should use private DNS?
Anyone who wants DNS requests aligned with an encrypted mobile VPN route can benefit from private DNS handling.
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