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'''DNS''' or '''Domain Name System''' is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network.
'''DNS''' or '''Domain Name System''' is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network.
Each device, connected to the internet have unique IP address, like 192.168.1.1 (IPv4) or 2001:db8:3333:4444:5555:6666:7777:8888 (IPv6), which help to identify device on a network. For humans is hard to memorize all these sequences of numbers and in this case helps DNS, which translates human readable webpage names, e.g., google.com, to computer friendly IP addresses.
Each device, connected to the internet have unique IP address, like 192.168.1.1 (IPv4) or 2001:db8:3333:4444:5555:6666:7777:8888 (IPv6), which help to identify device on a network. For humans is hard to memorize all these sequences of numbers and in this case helps DNS, which translates human readable webpage names, e.g., google.com, to computer friendly IP addresses.
==How it works ==
==How to set DNS on computer==
== How to set DNS on computer==
===Windows===
===Windows===
If you want to change DNS to custom, please, follow these steps:
If you want to change DNS to custom, please, follow these steps:
*Go to '''Control Panel;'''
*Go to '''Control Panel;'''
*Click on '''Network and Internet;'''
*Click on '''Network and Internet;'''
*Go to "Network and Sharing Center" and press on '''Change adapter settings''';
* Go to "Network and Sharing Center" and press on '''Change adapter settings''';
*In a new window select your current network, press on it right mouse button (or double click it) and select press on '''Properties''';
*In a new window select your current network, press on it right mouse button (or double click it) and select press on '''Properties''';
*Click on '''Internet protocol Version 4 (TCP/IPv4)''' and select '''Properties;'''
*Click on '''Internet protocol Version 4 (TCP/IPv4)''' and select '''Properties;'''
*If '''Obtain DNS server adress automativally''' is enabled, click on the '''Use the followings DNS server addressess:'''
*If '''Obtain DNS server adress automativally''' is enabled, click on the '''Use the followings DNS server addressess:'''
[[File:DNS settings.jpg]]
[[File:DNS settings.jpg]]
*Enter the DNS you want to use
*Enter the DNS you want to use
*Click '''OK''' and close.
* Click '''OK''' and close.
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===Linux (Ubuntu)===
===Linux (Ubuntu)===
*Navigate to I'''Pv4''';
*Navigate to I'''Pv4''';
* Click on "'''Automatic'''" to disable it and in '''DNS''' line add your adress;
*Click on "'''Automatic'''" to disable it and in '''DNS''' line add your adress;
[[File:DNS on Ubuntu.jpg|481x481px]]
[[File:DNS on Ubuntu.jpg|481x481px]]
* Click '''Apply''' and close window.
*Click '''Apply''' and close window.
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===MacOS===
===MacOS===
*Press "'''+'''", add DNS adress and save.
*Press "'''+'''", add DNS adress and save.
==Most common DNS==
==Most common DNS ==
If you for some reasons do not want to use ISP provided DNS address, there could be used third party DNS addresses. Most popular are these:
If you for some reasons do not want to use ISP provided DNS address, there could be used third party DNS addresses. Most popular are these:
*Quad9 DNS: '''9.9.9.9''' (secondary: '''149.112.112.112''');
*Quad9 DNS: '''9.9.9.9''' (secondary: '''149.112.112.112''');
*OpenDNS: '''208.67.222.222''' (secondary: '''208.67.220.220''');
*OpenDNS: '''208.67.222.222''' (secondary: '''208.67.220.220''');
*Alternate DNS: '''76.76.19.19''' (secondary: '''76.223.122.150''');
* Alternate DNS: '''76.76.19.19''' (secondary: '''76.223.122.150''');
*AdGuard: '''94.140.14.14''' (secondary: '''94.140.15.15''').
*AdGuard: '''94.140.14.14''' (secondary: '''94.140.15.15''').
