Tag Archives: DNS

Popular DNS attacks that you need to know

DNS attacks: Explication

DNS attacks are a type of cybercrime that takes advantage of flaws in the Domain Name System. Because the DNS system is such an essential element of the internet infrastructure while still having several security flaws, this is a severe cybersecurity risk.

There are many types of DNS attacks, but this post will focus on a few of the most common ones. Cybercriminals, for instance, can use DNS’s core features to amplify DDoS attacks. DNS spoofing, for example, is an attack vector that tampers with DNS entries in order to reroute internet users to specified websites. So let’s explore them in more detail. 

How to mitigate DNS attacks?

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Two ways to speed up DNS propagation

DNS propagation – What does it mean?

DNS propagation refers to the process of updating and distributing all of the new changes and modifications that you make in your Domain Name System (DNS) to the rest of the entire network. 

When you own an online business, or perhaps, you are administrating a network, you are aware that that requires a lot of adjustments on your DNS. For instance, sometimes, you have to create, delete, or modify a DNS record, or replace an IP address. Additionally, actions such as changing the TTL (time-to-live) values, redirecting your visitors to a precise subdomain, or adding an SSL certificate also require your intervention. That is just a small part of the various different changes that could appear regarding your DNS.

Why the DNS propagation takes so long?

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How to check your CNAME record?

What is a CNAME record?

The CNAME record is one of the most common DNS records, and its main purpose is to point one hostname to another. The short acronym CNAME represents with “C” – canonical and with “NAME” – hostname. With this DNS record, the administrator is able to show the actual true canonical domain name. 

Best Practices for CNAME Records

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DNS zone transfer – an overview

The DNS is a complicated system that serves as a global database of domain names and IP addresses. The Internet strongly relies on DNS for its existence so much that it could be impossible to imagine its functionality without it. All the DNS data is written on DNS records, but how to copy them from server to server? With DNS zone tranfer. 

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History of the Domain Name System.

It’s impressive how the Internet managed to be ingrained in humans’ lives in a very short time. The 1980s look far away from here, but honestly, considering all the previous development needed for the network of networks to exist, it’s not that much. Many people can still remember their life before and after the Internet.

To understand how the Internet works, there’s no way to skip one of the most important chapters in its history: the creation of the Domain Name System (DNS).

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5 most commonly used DNS records

DNS records are an essential part of managing a DNS. Every one of them has a specific and very important functionality. To achieve a perfectly working DNS, it is crucial to know what is their main purpose. Here we have 5 most commonly used DNS records that are good to know for a start. Let’s see which are they and what they do! 

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