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2024

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DNS DNS servers

Why Use Knot DNS Server?

Knot DNS server is a high-performance, open-source DNS server that has become a top choice for businesses, internet service providers (ISPs), and organizations managing DNS infrastructure. In today’s internet-driven world, having a fast, secure, and reliable DNS solution is essential. Knot DNS stands out with its advanced features, scalability, and efficient design, making it a robust option for those seeking to optimize their DNS operations. In today’s article, we will explain what it is, why you should use it, how it works, and what benefits it offers.

What Is Knot DNS Server?

Knot DNS server is an open-source, high-performance DNS server designed and maintained by the CZ.NIC association, a non-profit organization managing the Czech national domain registry. Unlike general-purpose DNS servers, Knot DNS focuses on being lightweight, fast, and feature-rich. It supports modern DNS requirements like DNSSEC, dynamic updates, and efficient zone transfers, making it an excellent choice for enterprises, internet service providers (ISPs), and DNS hosting providers.

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DNS DNS records DNS servers

DNS Propagation Guide: How Long Does It Take for DNS Changes to Propagate?

DNS propagation is a critical concept to understand when making changes to your website, switching hosting providers, or updating domain configurations. Whether you’re modifying DNS records like A, MX, or CNAME, it’s important to know how long these changes take to propagate and why delays occur. We’ll break down the process, explain how long it usually takes, and provide tips on how to minimize wait times.

What Is DNS Propagation?

DNS (Domain Name System) is essentially the phonebook of the internet, translating domain names (like www.example.com) into IP addresses, which are the numerical addresses servers use to find each other.

When you update your DNS records whether changing your website’s IP address, adding an email server, or pointing your domain to a new host—those changes need to propagate throughout the global DNS network.

DNS propagation is the time it takes for the DNS changes to be distributed across all DNS servers worldwide. Until the propagation process is complete, some users might see your website with the old DNS settings, while others see it with the updated ones.

How to check DNS propagation?

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Cyber attacks Network

Botnets: The Ultimate Cybercriminal Tool

Botnets represent a potent threat to cybersecurity worldwide. From launching large-scale cyber attacks to facilitating criminal activities like data theft and fraud, they are the clandestine tools of choice for cybercriminals. In this article, we delve into the details, exploring their mechanisms, purposes, and the measures taken to combat them.

What are Botnets?

Botnets represent a network of internet-connected devices infected with malicious software, often referred to as “bots” or “zombies.” These devices, which can include computers, servers, smartphones, and Internet of Things (IoT) devices, are compromised without the users’ knowledge, allowing remote control by a central command-and-control (C&C) server.

Impact of Botnets on Businesses

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