What is DNSSEC and why should I use it?

Whats is DNSSEC and why should I use it?

DNSSEC (Domain Name System Security Extensions) is a set of security extensions to the standard DNS (Domain Name System) protocol that provide authenticity and integrity of DNS data by using digital signatures. It is designed to protect against a number of types of attacks, including:

  • Cache poisoning: DNSSEC uses digital signatures to ensure that the DNS data received by a user’s computer is the same as the data that was originally sent by the DNS server. This prevents attackers from injecting false information into the DNS cache, which could redirect users to malicious websites.
  • Man-in-the-middle attacks: DNSSEC helps protect against man-in-the-middle attacks by using digital signatures to ensure that the DNS data is not tampered with as it is transmitted across the network.
  • Pharming attacks: DNSSEC can help protect against pharming attacks by ensuring that users are directed to the correct website, even if an attacker has modified the DNS data to redirect users to a different site.
  • Denial of Service: DNSSEC can help prevent denial-of-service attacks by validating responses and discarding any invalid ones

DNSSEC is not only beneficial for end users, but also for DNS providers and operators to make sure that their services are not susceptible to specific type of attacks.

In summary, DNSSEC provides an additional layer of security for DNS and helps to protect against a variety of types of attacks that could be used to redirect users to malicious websites, it is an important measure to take to protect against cyber threats.

When registering a domain name make sure you use a DNS provider that supports DNSSEC.