Why should you change your DNS server


How to increase internet speed
How to prevent phishing attacks
How to block proxy websites for schools
How to change DNS server

Wiki DNS Server

DNS Server translates URL names to IP addresses.
It has also been used by ISPs to redirect to advertisements.

Why do you need a DNS server?

To access any website, say Google, you need to know only its URL, that is http://www.google.com, you need not know the IP address where the website is running from, which is actually an alternate way,

DNS server resolves the easy-to-remember URL to its corresponding not-so-easy-to-remember IP address.

Flushing existing DNS

Once resolved, the URL-IP is saved for a few hours/days locally.
Open CMD prompt and give the following commands
ipconfig /flushdns

Benefits of using DNS servers

Faster DNS resolution
Phishing protection
Web content filtering
Detailed statistics
Typo correction
No software to install
Real time protection

Free DNS Providers

Check out each DNS servers to find out what features they provide

Google Free DNS


OpenDNS (Family shield)

Norton DNS Security

How to change DNS

There are two methods to change DNS.

1. Changing DNS for individual computer

Control Panel > Network Connections > {your internet connection} > Properties > Internet Protocol (TCP/IP) > Properties > General tab > Use the following DNS server addresses
Enter the Primary and Secondary DNS Server name.
Note : Changing DNS will not affect your IP address.

Changing DNS settings

Changing DNS settings

2. Changing DNS for the Router for all connected computers

Open the router setting website. Generally or
Enter login ID and password. Generally admin and admin.
Navigate to Interface Setup > LAN
Change DNS Relay option to Use User Discovered DNS Server Only
Enter the Primary and Secondary DNS Server name.
Note : The above mentioned settings may vary from router to router.

DNS Setting for Router

DNS Setting for Router

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4 Responses to “Why should you change your DNS server”

  1. Mostafa Says:

    Hi there , i like your article , it is very very important for me , its like umm mikrotik or some thing or HOW to control the users you have on your router ,,.. that’s great

    but i have still one question ..

    is this option can limits/control the downloads of users ? OR are there any way to do it with my TP LINK router with the orange page ?

    and am i free to choose the dns numbers for my router then to give to all users i have on my local network ?

    any help will be appreciated ..


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