How to Decode DNS Zone Types

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What is a DNS Zone?

A DNS Zone is part of a group of components that make up DNS. These objects are managed by an administrator or organization in a granular manner. DNS zones can contain varied information about a domain and subdomains. Multiple zones can also exist on the same server.  DNS information is stored within a text file called a DNS zone file.

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Understanding the DNS Process

Reading Time: 8 minutes

What is DNS?

DNS stands for Domain Name System (DNS) services. When we access a website, we are using this service to locate the server where the domain’s website is located. When browsing the web, we usually type in a domain name like www.google.com into our browser. This is better than trying to remember an IP address linked to a Google server.

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How to Perform a Reverse DNS Lookup

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The purpose of DNS is typically used to resolve a domain name to an IP address. This act is known as a forward resolution and is performed every time you visit a site on the internet. Reverse DNS (or rDNS), as its name implies, is a method of resolving an IP address back to a domain name.

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Using Nmap: Pro Tips and Tricks

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Introduction

nmap-logo

In this article, we will review the Nmap software program and multiple commands. Nmap is an open-source mainstream tool used by network administrators to scan ports and map networks. Nmap commands are primarily used to identify which ports certain software is running on our system. It is also used to discover available hosts and what services they are offering and detecting potential security risks. Using Nmap, you can check a single host or a complete network. In this tutorial, we will cover several basic as well as advanced Nmap commands in the “Pro Tips and Tricks” section of the article.

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DNS: An Overview

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What is DNS?

The Domain Name Service (or DNS) is the key to the presence of your server on the internet. You are probably aware your domain has an “IP” address, which stands for Internet Protocol; that number is your domain’s literal web address on the internet. A typical IP address is a series of four numbers called octets that are identified like so: 10.10.10.10.  You can think of your IP address as being similar to a postal address. The IP address is the exact location where your domain lives. I usually explain it like this;

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Migrating Your DNS to Liquid Web

Reading Time: 2 minutesIn order to simplify your website management and to receive speedy DNS support, including restoration of website service during DDoS attacks, we recommend you move your website DNS name server records to Liquid Web. You will still have full control to add and modify your DNS records at any time.

There are two critical steps needed to move your DNS to Liquid Web.

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DNS Record Types

Reading Time: 2 minutesOne of the many challenges that we may face while attempting to make modifications to a zone file, is knowing what the different records are used for.  This article highlight several of the commonly used records in an attempt to help demystify them.

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How To Flush Your Local DNS Cache

Reading Time: 2 minutesIf your computer has trouble reaching a certain website or server this may be due to a corrupt local DNS cache. This guide will show you how to clear your local DNS cache (“flush” it) for several operating systems.

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