Supplemental DNS services help to improve the performance, security, and reliability of DNS infrastructures.
The best DNS service providers will offer a robust core network, maximum scalability, ease of use and provisioning, expansion as needed, combined connectivity from the various provider, and full frontal support.
There are different ways to add a supplementary DNS service to an existing DNS infrastructure. Three of the most common are:
Traditional Primary-Secondary is easy to deploy and acts as the master service from a DNS management perspective.
Hidden Master Secondary offers added security and are deployed behind the corporate firewall while a secondary option serves traffic.
Primary-Primary allows both services to manage DNS records and receive traffic while supporting advanced supplementary service features.