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Anycast and Unicast DNS handle queries differently. Anycast uses multiple servers spread across different locations, all sharing the same IP address. In contrast, Unicast relies on a single server with its own unique IP address. By August 2023, there were 1,730 DNS root server instances, highlighting Anycast’s global reach. Performance and Reliability Anycast is designed […]

When deciding between Anycast and Unicast DNS, it boils down to your network’s needs. Here’s a quick overview: Quick Comparison Feature Anycast DNS Unicast DNS Communication One-to-many One-to-one Server Locations Multiple, global Single location Speed Faster, reduced latency Slower over long distances Scalability Easily expandable Limited by one server DDoS Protection Strong, traffic distributed Vulnerable, […]

DNS is the backbone of the internet. It translates domain names (like www.example.com) into IP addresses, enabling devices to connect. Here’s why it matters for performance: A slow DNS lookup can delay webpage loading. Ideally, DNS queries should complete in under 50 milliseconds. Performance bottlenecks at the DNS level increase Time to First Byte (TTFB) […]

Category-based filtering is a way to control internet access by grouping websites into groups then applying rules to them. It works at the DNS level and is commonly used for: Here’s how it works: This system is flexible, allowing organizations to customize rules for different needs, like schools, homes, or businesses. It also supports dynamic […]

DNS filtering is a powerful tool to block harmful websites and enhance online security. However, it comes with challenges that can disrupt daily activities. Here’s a quick guide to common issues and their fixes: Quick Overview of Solutions Problem Solution Highlights False Positives Update databases, whitelist, focus on specific URLs Speed Issues Use caching, local […]