DNS Services

100% Availability

UltraDNS ensures that your site is always online. Backed by a powerful global directory platform and a highly redundant network of 30 nodes on 6 continents, we’ve got an extensive global infrastructure backed by 100% available SLAs.

Built-In Security

Get comprehensive DNS protection from DNS-based DDoS attacks with our cloud-based scrubbing network. Our non-open source platform is less vulnerable to hijacking, spoofing, or viruses. DNSSEC support helps combat phishing, and name server segmentation further isolates you from threats.

High Performance

Our Global BGP & IP Anycast Network manages over 25 billion queries per day, with fast, accurate responses and fewest dropped queries. Advanced traffic management features provide you the option of even more control and flexibility.


UltraDNS Specs

  • Highly redundant network with 30 nodes across 6 continents
  • 100% uptime SLA
  • Super fault-tolerant N+1 architecture
  • High performance, low latency response times across the globe
  • Built-in DDoS protection included
  • 24x7 Free Customer Support
  • Load Balancing & Failover with Alerts
  • Geo-IP Directional Routing and Country Blocking
  • Load balancing and failover with alerts
  • Easy-to-use web portal
  • Secure two-factor authentication, Access Control List, SSL protected portal
  • Advanced permissions
  • Single click DNSSEC and IPv6 compliant
  • Primary, secondary, hidden master support
  • EDNS0 Client-Subnet enabled
  • SSAE 16, Type-II compliant

Advanced DNS Services for Added Performance and Security

Directional DNS Routing

Accelerate service and enable localized website content routing by IP, Autonomous System Number (ASN) and combine with geolocation for highly targeted routing solutions.

Dedicated Nameserver Announcements

Increase your performance and protection by upgrading to a nameserver dedicated to your announcements only.

Dedicated DNS Resolvers

For the ultimate in performance, get three, six, or more dedicated resolvers to answer your queries exclusively and complement them with our secure shared DNS resources.

Agari Customer Protect

Gain visibility into email-based attacks spoofing your domains and DNS and stop the abuse immediately.

Professional Services to Ensure a Smooth Migration

Choose the package that meets your needs and budget. Learn More

  Fast Start Basic Fast Start Pro* Fast Start Premium**
Direct Line of Support During Premium DNS Migrations Yes Yes Yes
Quick Start Guide Yes Yes Yes
Computer Based Training Courses - Yes Yes
Implementation Guide - Yes Yes
2 Hours of a Professional Services Engineer Time - Yes -
FULL Migration to DNS Platform - - Yes
Cost Included $750 $1,500†

* Must be used within the first 30 days of purchase

** Migration must be completed within 60 days of signature

† Starting at $1500 for a full migration with a professional services engineer