What is Anycast DNS and how does it work? Print

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At Nixzoehost, we use Anycast DNS to ensure your website's address resolves instantly, regardless of where your visitors are located.

The "Closest Neighbor" Rule

In traditional Unicast DNS, if your visitor is in London but your DNS server is in New York, the request has to travel across the ocean. This creates "latency" (lag).

With Anycast DNS, we have a network of servers around the world that all share the same IP address. When a visitor types in your domain:

  1. The internet automatically routes their request to the geographically closest server node.

  2. The "lookup" happens in milliseconds.

  3. Redundancy: If one server node goes offline for maintenance, the network automatically reroutes the traffic to the next closest node, ensuring 100% DNS uptime.


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