You will learn what IPv4 is, how an IPv4 address looks like, and what is next after IPv4, IPv6.

What is IPv4?

IPv4 is one, a bit older Internet Protocol that has been around since the early 80s. The 4th version was introduced in 1981 and got in use since 1982. Been an Internet Protocol (IP), its purpose is to establish all the rules for communication. How the data packets should be sent, what should happen with them, how to be received, and so on.


Domain flipping

This is a beginner’s guide to domain flipping. Here we will show you your first move from buying a domain name to selling it for a profit.

Domain flipping in a brief

Domain flipping is the practice of buying domain names that have potential and reselling them later for a profit. The domains can be cheap with interesting names, or they can be expensive. The goal is to find interesting available domain names, and later to be able to find a potential buyer who is willing to spend the price you want.


Ping command

Computer networking has lots of tools. From the most simple to the most complex, all have interesting functionality that sooner or later can be useful for you. 

What’s the Ping command?

Ping command is a software utility for testing if the connectivity is working between two systems. In other words, the reachability of a host on a network.

Utility software is the one created for configuring, analyzing, maintaining, or optimizing machines. It supports computers’ infrastructure. Ping command is a very popular resource for diagnosis, and it’s available (built-in) on all operating systems.

Ping command syntax for Linux


DNS propagation

Internet is a hard game. Managing a website or a network demands constant changes to your strategy. Expansion, to be more visible, efficient, competitive, etc., are common triggers of change. That directly pushes DNS modifications and daily challenges for administrators.

What’s DNS propagation?

DNS propagation is the time period that it takes to update DNS modifications all across the Internet.


E-mail Forwarding

The answer seems easy, since all of us are related to the terms, due to the use of our e-mail services. Basically, it sounds like the action of re-sending a message (e-mail) that was received in a specific e-mail address to a different one.

In this context, forward means that an e-mail has been pushed forward to different or more destinations besides the original. 

But e-mail forwarding is not that, and it’s not as basic as it sounds. It has much more to offer you.

When should you use email forwards?



Security for surfing on the Internet must be a concern for everybody. Regular users and businesses making transactions daily could get their information and money badly compromised. Remember that our data have become a gold mine! 

What is VPN?

The Virtual private network (VPN) is a security protocol to transform a public Internet connection into a private network for protecting data exchanged online. VPN secures Internet connections, provides anonymity and privacy for users.


TLD (Top-Level Domain)

One of the first things that you will encounter when you want to start a website is the domain name. You have plenty of extensions to choose from! .com, .net, .info, and countless new and interestingly sounding TLDs. But what exactly are the TLDs? Is there a way to choose the best TLD for your site? Let’s find out!

What is TLD?

The TLD is the second level from top to bottom in the Domain Name System (DNS).

TLD stands for top-level domain, and they are represented as the last part of a fully qualified domain name after the domain name and separated with a dot “.”.