Domain Name System DNS

Domain Name System (DNS) explainedDomain Name System (DNS) explained

Are you interested in the Domain Name System (DNS)? To get into this topic is like getting into another world—a tech one with its own rules and processes. If you are ready, just fasten your belt, and let’s go into DNS!

What is DNS?

DNS is a system, a naming database, for locating and translating Internet domain names into IP addresses. Think about it, like a directory or, more modernly, like your mobile’s contacts list where names and their corresponding numbers are correctly matched. 

DNS directory is distributed worldwide, and it works daily, helping to search and reach the millions of existing domain names every day. 

Domain Name System explained in details

What is DNS hierarchy?

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Reverse DNS

Reverse DNS: Meaning & ImportanceReverse DNS: Meaning & Importance

Reverse DNS is our topic today. So, in this article we will take a detailed look at what its main purpose is and how to check it. So let’s start.

Reverse DNS – meaning

Here it is – Reverse DNS or rDNS for short. Its goal is to connect an IP address to the domain name with which it is linked. It works in the opposite direction as Forward DNS, with the domain name pointing to the related IP address. DNS hosting firms often offer rDNS as an add-on option. If you do decide to use it, you must also set up a Master Reverse zone and PTR records. Because of them, you will be able to produce proof that the precise IP address and your domain name match.

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Secondary DNS

Get familiar with Secondary DNSGet familiar with Secondary DNS

Using the Secondary DNS to preserve a trustworthy copy of your data is an excellent idea. You’ve probably come to this post because you’ve heard about it and want to increase the reliability of your DNS. Yes, secondary DNS is really beneficial for providing peace of mind, especially in the current world where DDoS attacks and other DNS issues are so common. Let’s clarify things a bit more and go through the details.

DNS zone – the definition

To handle the DNS namespace more accurately, the DNS server can hold a large number of zones. The DNS zone is a part of that namespace.  It’s an area where you can find more organized and controllable DNS components. It would be best to direct your domain to various servers, such as mail servers, web servers, and so on, to function effectively and precisely. You can create additional DNS records in the DNS zone to perform this task. The DNS zone is where you’ll save all of your DNS records. 

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DNS PTR record

DNS PTR record explainedDNS PTR record explained

DNS PTR record – What is it?

DNS PTR record is a type of DNS record, which is oftentimes called pointer record. This is because it helps to associate an IP address to a domain name. The goal is to show that the specific IP address is actually related to the domain name. If somebody is checking it, this record proves that there is no scam. With the DNS PTR record it is easy to validate the different elements or additional services, such as a mail server.

Looking for more information? Take a look at this fantastic about the DNS PTR record!

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Nslookup command

Nslookup command – five easy examplesNslookup command – five easy examples

Nslookup command explained

The Nslookup command is a commonly used tool with a command-line interface. Usually, it is applied for DNS probing. Nslookup command is perfect if you want to check a domain name, its IP address, and various DNS records. The great benefit is that it is typically pre-built on almost every OS. Additionally, the Nslookup command presents clean and straightforward answers. 

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Traceroute command

Traceroute command explainedTraceroute command explained

If you want to know everything about the traceroute command, you came to the right place. Here you will learn what is it, why to use it and how.

Traceroute command explained

Traceroute command, just like the rest of the popular network commands, is a simple small software with command-line interface (CLI) and comes built-in on most Linux distros, BSD distros and even macOS.

It is easy to understand its purpose, to trace the route of a query, from your computer, through all the routers (hops) on the way, to the target that you set.

The result will be data on each hop (host name and IP address), showing if the packets of data arrive and after what amount of time, and which was the next hop.

Traceroute options for Windows, Linux, and macOS

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DNS branding

What is DNS branding, and why is it useful?What is DNS branding, and why is it useful?

DNS branding is a feature that many hosting providers love to read on the page of a DNS provider. That means that they will have an easy way to put their tag on and expand their services by providing DNS services to their clients without the obligation to mention the DNS provider. 

It also serves big companies to hide the original DNS provider and show their brand name instead. 

What is DNS branding? 

DNS branding is a service that a DNS provider offers that gives the freedom to the client to put their domain name instead of the provider’s domain name for the nameservers. 

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