Does DNSSEC enhance the security of domain name system queries?

DNSSEC, or Domain Name System Security Extensions, is designed to enhance the security of the Domain Name System (DNS) by enabling authentication and validation of DNS responses. It does this through the use of digital signatures, which help ensure that the data returned from a DNS query has not been tampered with during transmission.

When a DNS resolver sends a query, DNSSEC allows it to receive signed responses from authoritative DNS servers. These responses can be verified using public keys, ensuring their integrity and authenticity. This process prevents various types of attacks, such as cache poisoning, where malicious actors might attempt to redirect users to fraudulent sites by altering DNS responses. By providing a mechanism to validate that the domain names correspond to legitimate IP addresses, DNSSEC significantly strengthens the trustworthiness of the DNS infrastructure.

Thus, the affirmative response indicates that DNSSEC does, indeed, enhance the security of domain name system queries by safeguarding against manipulation and ensuring that users are directed to the correct servers.