Description: Secondary DNS refers to backup DNS servers that provide redundancy and reliability for domain name resolution. These servers act as backups to primary DNS servers, ensuring that if the primary server fails or is unavailable, domain name queries can still be handled without interruptions. Implementing secondary DNS is crucial for maintaining the availability of online services, as it allows users to access network resources even if there are issues with the primary server. Additionally, secondary DNS helps distribute the load of DNS queries, thereby improving the overall performance of the system. Configuring secondary DNS is a common practice in various environments that allows organizations to ensure their domains are accessible at all times, which is essential for business continuity and user experience. Proper management of secondary DNS servers also contributes to security, as it can help mitigate denial-of-service (DDoS) attacks by dispersing traffic across multiple servers.
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04/06/2025
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