How does DNS technology work?

Many companies today are victims of digital attacks. Cybercriminals attack the domain name system (DNS) of companies to hack into their data. DNS is a technology that allows the origin and authenticity of data to be verified in order to protect it from attack. How does DNS work? What are its security extensions?

DNS technology: definition and operation

By definition, DNS, understood as the Domain Name System, is an electronic mechanism for searching for a website on the internet. In other words, it is a system to which a logical address the domain name, is assigned to a physical address the IP address. For example, with the DNS you can easily associate the name of a company with an IP address to find it easily on the internet. If you would like more information, please consult the following link: https://www.usefull-tips.com/
DNS has the ability to recognise and transform website names into Internet protocol addresses (IP addresses). It represents a technology that facilitates fast communication with the internet in this case with email addresses, IP addresses, smartphones, social networks...

What are the security extensions of the DNS system?

There are several forms of extensions for DNS security. The first concerns authentication of the origin of DNS data. This extension technique verifies the origin of the traffic and ensures that the Internet user is not a potential threat. If this is not the case, the system gives access to the recipient. The second form of extension is authenticated denial of existence. This form tells you whether your domain name exists or not. Generally, it is in the case where the no exists that the resolver answers you. Finally, the third form concerns data integrity. This form guarantees the recipient of the data that it has not been modified in transit.

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