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DNS (Domain Name System)
What is DNS (Domain Name System)?
The internet's phonebook. It turns names like google.com into the numeric addresses computers actually use.
Why DNS (Domain Name System) Matters
When DNS is slow or misconfigured, everything 'loads weird' — sites fail to open while others work fine. It's one of the most common and most misdiagnosed issues we see.
Related Topics
domain resolutionphonebookperformancetroubleshooting
Related Terms
IP Address
A device's unique number on a network, like 192.168.1.24. Computers use numbers; you use names.
NetworkingRouter
The device that directs traffic between your devices and the internet — your network's traffic controller.
NetworkingLatency
The delay between an action and the response — the 'lag'. Measured in milliseconds.
Networking