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How to enable DNS over HTTPS in Windows 11

Posted by Alex On October 15, 2022

To improve your online privacy and security, Windows 11 lets you use DNS over HTTPS (DoH) to encrypt the DNS requests your computer makes when you browse or do anything else on the Internet. This article will show you how to set it up in Windows 11. Encrypted DNS is more private and secure Every time you visit a website...

Demote Domain Controllers in Windows Server in PowerShell and GUI

Posted by Alex On August 15, 2021

This article shows you how to demote a domain controller in Windows Server. This method is applicable for Windows Server 2012 and later, up to Windows Server 2019 and Windows Server 2022. You can undo a promotion to a domain controller in PowerShell as well as using the GUI configuration tools. This article explains step by step how to uninstall...

How to configure the network interface to use a dynamic IP address (DHCP) in PowerShell

Posted by Alex On July 28, 2021

Note: all settings in this article must be done with administrator rights. Dynamic Host Configuration Protocol (DHCP) allows the network adapter to obtain the correct network settings without manually configuring network interfaces. To manage a network interface, you need to know its index. The list of interfaces and their indices can be obtained with the following command: Get-NetIPAddress | Format-Table...

How to prevent NetworkManager and other programs from modifying the /etc/resolv.conf file

Posted by Alex On May 16, 2021

The /etc/resolv.conf file contains a list of DNS servers that are used to resolve hostnames to IP addresses. NetworkManager, which is responsible for making network connections, automatically changes the contents of this file. The replacement takes place without notifying the user and can lead to unpleasant consequences – for example, causing a DNS leak, which negatively affects anonymity. It can...

How to find out all DNS records of sites behind CloudFlare

Posted by Alex On April 24, 2021

How to list all DNS records for a domain Using the dig command, you can display all types of DNS records for the specified domain at once, but it does not work in all cases: dig zalinux.ru ANY To query all types of DNS records, but limiting the number of displayed sections only by the response section, add the “+noall...

How to clear DNS and other caches in Google Chrome

Posted by Alex On April 19, 2021

Caching is an excellent technology, the essence of which is that once received files (images, scripts, HTML code) or data (DNS answers), can be reused (the user opens the same page, or the entire site uses the same JavaScript library) and no need to request or query and wait for data from the server again. Instead, a local (cached) copy...