A DNS (Domain Name System) attack is a type of cyber attack which aims to make online resources inaccessible by manipulating DNS records. In order to protect against it, here are some proactive security measures to take:

1. Enhance server security and harden authentication protocols.


2. Control the domains for which your network can provide DNS resolution.


3. Configure firewalls and Utilize DNS security solutions.


4. Make frequent backups of DNS configuration and records.


5. Perform regular audits to check DNS integrity.


6. Install robust antivirus and malware software to address the malicious intent of attackers.