A set of security protocols that add an extra layer of protection to the Domain Name System (DNS). It helps to ensure the authenticity and integrity of DNS data, making it significantly more difficult for malicious actors to perform attacks like DNS spoofing or cache poisoning.
Here’s how it works in a nutshell:
- Digital Signatures: DNSSEC uses digital signatures to verify the origin of DNS data. When you request information from a DNS server, you can be confident that the response is coming from a legitimate source and hasn’t been tampered with.
- Chain of Trust: It establishes a chain of trust from the root zone of the DNS hierarchy down to individual domains, helping to ensure that every step in the DNS resolution process is secure.
Key benefits of DNSSEC:
- Protection against DNS attacks: It significantly reduces the risk of DNS-based attacks, which can redirect users to malicious websites or steal their sensitive information.
- Increased trust and confidence: It helps create a more secure and trustworthy internet environment, which benefits both users and businesses.
DNSSEC is a crucial technology for enhancing the security and integrity of the DNS, making it a vital component of a safe and reliable internet infrastructure.
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