DNS Real-time Initiative: For Subscribers
Who is a Subscriber?
The most likely candidates to subscribe to Neustar's DNS Real-time Directory are providers of Recursive DNS services to Internet end-users. They may include Internet service providers (ISPs), enterprises, government agencies, and consumer-facing public Recursive DNS services such as OpenDNS and DNS Advantage.
Benefits
- Free: Improve your end users’ online experiences at zero cost.
- A Better User Experience: Eliminate the frustration of users unable to access websites that are inaccessible due to a DNS update.
- Customer Support: Positively influence customer support costs related to end users not getting to their desired sites.
- Accuracy: Ensure that your end users are getting the most accurate and reliable Internet experience.
- Security: Implement a mechanism that will provide authoritative servers to remedy security issues such as cache poisoning.
- Reliability and Speed: Provide publishers the ability to rapidly deploy changes regardless of TTL settings.
- Innovation: Become an integral part of a team working collectively to improve the performance of the Internet!
How Does it Work?
Subscribers receive a feed from Neustar's DNS Real-time Directory containing domains that should be invalidated in their DNS Cache. Once these domains are "flushed" from the subscribers' caches, the next request for the invalidated domain will cause the caches to be updated with the most recent record from the Authoritative Server for that domain.
How Do I Integrate My Recursive DNS with the DNS Real-time Directory?
Subscribers download and install the DNS Real-time Directory subscriber script on their Recursive DNS servers. The script listens for updates, and then instructs the Recursive DNS server to "flush" items from the caches. Each customer provides source IP information for the servers running the script to configure their feeds. The script can be updated by subscribers to integrate with their Recursive DNS servers. Several common DNS platforms are pre-configured, including BIND, PowerDNS, Unbound, Microsoft DNS, Nominum, and others.
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