D-Zone Anycast DNS servers are located in Canada and in global Internet hubs, and managed to provide a 100 per cent up time service level agreement (SLA). Each node is built with fully redundant, load-balanced, state-of-the-art equipment to improve capacity, latency, security and up-time.
Because of the nature of anycast technology, if a nameserver in an anycast cloud goes down, it is automatically removed from the routing tables to add redundancy and fault tolerance. With D-Zone the highest level of redundancy is achieved with two separate clouds.
When compared to unicast redundancy, it is like replacing two unicast nameservers with two anycast clouds, with each cloud using independent hardware, multiple transit providers, and a direction connection to a well peered IXP. This protects against a routing problem or transit network outage from bringing down your DNS. Fully redundant, load-balanced, state-of-the-art equipment in every node helps improve capacity, latency, security and up-time.
Eight nodes running coast-to-coast in Canada