NS1 is the only provider that provides on-premises and cloud integration, which can deploy a set of exclusive DNS in its own computer center and integrate into the NS1 cloud platform, allowing users to access services nearby, achieve high availability and anti-attack effects, and is a world-class intelligent DNS hosting service. NS1 features Managed DNS, Dedicated DNS, Single network , and Pulsar, which can Fault tolerance and attack resistance to improve performance,Intelligent switching, and User Experience.