Why does DNS use UDP?

The Internet, and more specifically, DNS, is a constant communication process. Therefore there is a permanent exchange of data. There are different alternatives for transferring data through the Internet protocol (IP), UDP, TCP, RSVP, etc. Today, we will go around the user datagram protocol (UDP).

User Datagram Protocol (UDP) – fully explained

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What is Round-Robin DNS?

Owning an online business, it’s like playing a new video game. Once you think you just passed the hardest part of the game, bigger challenges arrive. 

It makes you totally happy and proud to increase your traffic crazily, but then… How to deal with those big loads that are now already stressing your servers? Definitely, you need to modify the strategy and get proper tools for managing the situation without affecting the constant growth.

Of course, there are choices for you not to struggle. But being a big issue, it could be hard to believe that there is a simple and easy alternative to solve it. It’s called Round-Robin DNS. 

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What is DNS cache poisoning (DNS spoofing)?

For everybody, just the words “spoofing” and “poisoning” can cause goosebumps rising all over the body. When it’s about DNS service providers, administrators, or online business owners, they are scary threats. The risk is real, and understanding it is vital for protecting your clients and your business.

What is cache poisoning (DNS spoofing)

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Benefits of using Backup DNS (Secondary DNS)

Having an online business pushes us to get the best out of technology to increase our chances of succeeding. Every network protocol, software, hardware, or tool can become a key component in our strategy if we know how to utilize its possibilities.

That said, let’s talk about Backup DNS (Secondary DNS) as a first step for understanding its benefits.

What’s Backup (Secondary DNS)?

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How does DNS work?

What is DNS?

The DNS (Domain Name System) is a decentralized system with a strict hierarchical structure for naming devices and services on the Internet and private networks. It is an essential part of how today’s global connected network, the Internet, works. 

It is responsible for directing queries for a particular domain name, like goolge.com, through all the nameservers of different levels that know where the imputed domain name is located. It helps us by answering our domain name queries with the IP address of the host (IPv4 or IPv6 or both).  

It also finds services, verifies them in different ways, links different domain names, points to servers, redirects, and, in general, makes our lives a lot easier when using the Internet.  

DNS history

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Most commonly used DNS record types

Starting learning about DNS, you will have many challenges. It is hard to understand the matter. The best way to understand it is in bite-size chunks. This is why we want to show you the first and most commonly used DNS record types. They are easy to understand, and you will probably start using all of them from day 1. So A, AAAA, CNAME, NS, SOA, MX, PTR, and TXT records are a must.

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