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dns

EDNS Client Subnet Explained: How It Improves CDN Performance and DNS Accuracy

EDNS Client Subnet (ECS) is a DNS extension that carries partial client IP information to authoritative name servers, enabling more precise geo-routing and better CDN performance. This article explains the mechanism, real-world impact, and practical configuration steps to get ECS working correctly across your DNS stack.

Aug 13, 2026 11 views
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dns

How to Use GeoDNS and Server Load Balancing to Improve Website Performance and Availability

GeoDNS and server load balancing are two complementary techniques that keep websites fast and online even under heavy traffic. GeoDNS sends visitors to the nearest available server based on their location, while load balancing spreads the workload across multiple machines to prevent any single server from becoming a bottleneck. This article explains how to combine both for maximum performance and reliability.

Aug 4, 2026 24 views
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dns

DNS Anycast Explained: How It Enhances Domain Resolution Speed and Reliability

DNS Anycast is a network routing technique that allows multiple servers to share the same IP address, directing users to the closest or most responsive server. This drastically reduces domain resolution latency and provides automatic failover, making your website faster and more resilient. In this article, we break down how anycast works, its real-world impact, and how you can leverage it for your own domains.

Jun 25, 2026 66 views