Tag Archives: DNS records

Zone transfer: What is it and how does it work?

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Today we will talk about zone transfer. First, we will explain its purpose and how it functions. Then we will explore what a zone file is, and for the final note, we will see the zone transfer vulnerability’s effects. So, let’s start.

Zone transfer: Definition

Duplicating DNS records from the Master DNS zone to the Backup DNS zone is the procedure known as zone transfer. This gives you the option to duplicate your DNS records on various alternative name servers. You will have higher availability as a result of finishing the transfer if one of the name servers fails. Additionally, faster DNS resolution will be advantageous if you run a worldwide website with users from all over the world and numerous presence locations (PoPs).

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How does DNSSEC work?

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If you are browsing for what DNSSEC is and how it works, you came to the right place. In this article, we will focus on its primary purpose and its benefits. So, let’s explain it.

What does DNSSEC mean?

DNSSEC is a collection of protocols and specifications for securing the Domain Name System and its associated activities. From lookups to data transmission, it’s all here.

Authenticated denial of existence, cryptographic authentication of DNS information, and information integrity are all provided by these enhancements to DNS resolvers.

The Internet Engineering Task Force (IETF) invented it. Because the Domain Name System was not designed with security in mind from the start. Different vulnerabilities were discovered early on in its utilization. After that, DNSSEC was created. The creators picked the extension format for this system to make it easier to integrate with the existing DNS infrastructure.

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Popular ways for using Dynamic DNS

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What does Dynamic DNS mean?

Dynamic DNS, also commonly called Dyn DNS or DDNS, is a great technology that helps with auto-updating the name servers. Every time when the IP address (IPv4 or IPv6) changes for some reason, that beneficial service is going to refresh the DNS records – A record and AAAA record.

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Dig command – the best tool for testing your DNS

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Dig command – What is it?

Domain information groper is the full name of the Dig command that is a simple built-in command used for various DNS probing. One of the main advantages it has it’s that you can use it on most Linux distros and any macOS computer. The Dig command allows you to perform quick checks of your DNS in a very simple way. For instance, you can view a specific DNS record or check a name server. You just have to open the Terminal app on your device. It has a command-line interface (CLI), which shows you all of the needed data in its output.

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Most commonly used DNS record types [Full List]

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There are many DNS record types. Of course, some of them are not applied so frequently. But, on the other hand, several DNS record types are essential for almost every DNS zone. So, let’s check out which they are and what their purpose is!

Additional DNS record types every beginner should know

SOA record 

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