Get faster, safer and accurate query resolution to vital online assets with Neustar UltraDNS, a cloud-based Authoritative DNS service.
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In a connected world where Internet users expect seamless and secure online experiences, DNS has become more difficult and complex to manage than ever before. It has also become ever more vital. The emergence of IoT devices and online threats leave businesses struggling to find the correct DNS strategy while keeping all assets up and running. It is nearly impossible for any organization to have all of the experienced, dedicated DNS specialists in-house, let alone the resources required to manage and implement a sound strategy to meet today’s Internet demands.

Neustar UltraDNS is an enterprise grade, cloud-based authoritative DNS service that securely delivers fast and accurate query responses to websites and other vital online assets. Whether you’re looking for a Primary or Secondary DNS solution, Neustar UltraDNS offers customizable packages to fit any organization’s DNS needs.

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Learn about the basic features of our UltraDNS service.




Our trusted authoritative network uses BGP and IP Anycast routing schemes to manage over 55 billion global queries per day. The UltraDNS nodes are co-located with Neustar’s recursive and top-level-domain (TLD) servers, providing near-zero latency responses amongst them and instant cache updates for the zones that Neustar hosts.



Ensure that your website and other online assets are always available. Backed by our 100% uptime guarantee and industry leading SLAs, UltraDNS offers a global platform that is highly redundant and operates on Neustar hardware at 30 nodes across 6 continents.



Our primary DNS network is engineered on a proprietary non-open source application that is less vulnerable to online threats. Nameserver segmentation and DNSSEC support add an additional layer of protection that prevents malicious activity. Learn How you Can Strengthen Your DNS Security.


Dedicated Support

24x7x365 support from a team of dedicated DNS experts with over 20 years of experience.

With Neustar UltraDNS you can:
  • Confidently outsource your DNS to a trusted provider with 20+ years of proven experience
  • Ensure your online assets are always available with a 100% uptime guarantee
  • Take advantage of built-in security features such as DNSSEC management and Nameserver segmentation
  • Utilize advanced traffic management services to fully optimize your DNS’ performance
  • Quickly and efficiently manage changes via a web-based portal
  • View detailed reports to fully understand the performance of your DNS ecosystem
Advanced DNS Traffic Management Services


SiteBacker — Monitoring & Failover

As web-based operations become increasingly mission-critical, a server failure can massively disrupt your business and bottom line. Avoid the need for deploying expensive monitoring and failover solutions by implementing SiteBacker.

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Traffic Controller — Weighted Load Balancing

Gain the ability to define weighted or round robin load balancing configurations without the need for in-house hardware costs or management. Traffic Controller also includes SiteBacker, which allows the ability to dynamically modify weighted traffic away from unresponsive servers.

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Directional DNS — Geolocation Based Routing

Improve website performance and user experience by sending your visitors to specific servers based on their geographic locations, IP addresses or IP address block while also protecting your applications by blocking traffic from unwanted regions, countries, or provinces.

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Apex Alias

Apex Alias provides a way for domain administrators to provide DNS CNAME functionality at the apex (or root) of a domain. This feature enables usage of CDNs and outsourced cloud environments as the apex of a domain to resources outside of the domain.


UltraPlatform unifies three industry-leading cloud-based online functions that are absolutely essential to maintain and safeguard your digital presence against countless threats and attacks.

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Neustar wins 4 Globee Awards in the 2021 Cyber Security Global Excellence Awards

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Advanced DNS Traffic Management Services



One-click protection from some of the worst attacks, including cache poisoning and DNS hijacks.


Multiprovider DNSSEC

Confidently implement DNSSEC across your multi-provider deployment.


DNS HealthCheck

Ensure that your DNS is protected from misconfiguration, in line with best practices, and compliant with all RFCs and industry standards.

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DNS Shield

DNS Shield is a global network of private connections between UltraDNS and its partners that is independent of public Internet networks that minimizes security risks and lowers latency.

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Terraform Thumbnail


HashiCorp Terraform Is an Infrastructure-as-Code (IaC), that lets the DevOps team define cloud and on-prem resources in human-readable configuration files that can be versioned, reused, and shared. Allowing customers to streamline, configure, manage and automate DNS records and the UltraDNS Advance DNS records during the infrastructure provisioning and deployment process.

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