Billions of users navigate the Internet daily, while DNS outage stand as potential disruptor, capable of causing chaos and confusion. These outages, though often temporary, can have significant repercussions on internet services, affecting everything from website accessibility to email delivery. Understanding what they are, why they occur, and their potential dangers is crucial for both internet users and service providers. So, without any further ado, let’s begin!

What is a DNS Outage?

At its core, the Domain Name System is like the Internet’s phonebook, translating user-friendly domain names (like example.com) into machine-readable IP addresses (such as 192.0.2.1). DNS servers, distributed across the globe, facilitate this translation process, ensuring that when you type a website’s name into your browser, you’re directed to the correct server hosting that website.

A DNS outage occurs when the DNS servers fail and become unable to do their translation duties. It can happen due to various reasons, including:

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