OpenDNS Announces Support For Obscure But Important RFC Draft That Will Increase Internet Speeds for Millions of Users Around the World

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Most innovative recursive DNS provider implements RFC-6303 IETF draft recommending best practices for handling certain DNS requests, Speeds DNS resolution for all global users.

OpenDNS is focused on making the Internet better, and a big part of that aim is improving DNS speed. We remain committed to engineering new ways DNS can be used to make the Internet faster for our 30 million-plus users.

OpenDNS, the world's largest and fastest-growing provider of Internet security and DNS services that deliver a safer, faster and more intelligent Internet experience to everyone, today announced that it has implemented the Internet Engineering Task Force (IETF) draft RFC-6303. The news comes on the heels of the Global Internet Speedup, the OpenDNS-led initiative to improve communications between DNS providers and CDNs and make the Internet faster. OpenDNS is squarely focused on making the Internet experience better for its 30 million-plus users.

The RFC-6303 draft includes the recommendation that all recursive DNS providers should restructure the way in which they handle queries that will always produce empty responses. By eliminating this unnecessary traffic from being sent out to the Internet, more CPU cycles and bandwidth are made available to more important DNS requests, thus enabling their faster handling and responses to users. This, in turn, boosts resolution speeds for Internet users. According to OpenDNS’ amazing engineers, the technical change was easy to implement, and they are excited to say that we are now RFC-6303 compliant. RFC-6303 was authored by DNS expert Mark Andrews from the Internet Systems Consortium.

The clear technical innovator in the DNS space, OpenDNS regularly introduces never-before-seen features and functionality that improve the Internet experience for 30 million-plus people around the world. The combination of the OpenDNS-introduced speed improvements, plus its cutting-edge DNS-based security, drives people around the world to choose OpenDNS for a better and faster Internet.

In addition to implementing RFC-6303, OpenDNS speed-related technical innovations and firsts include:

  • Global Internet Speedup: The OpenDNS-led initiative that the way communication between OpenDNS, Google and leading CDNs is handled, making the Internet faster for millions.
  • SmartCache: The world’s most intelligent caching system. SmartCache makes Web sites that are effectively down for others accessible only on OpenDNS by trying the last known good IP address when the current IP address fails.
  • CacheCheck: The first-ever tool that allows Internet users insight into what is happening in their DNS and empowers them to manually refresh DNS caches on their own.

“DNS is a critical part of every Internet users’ connection, and a common point at which any service interruption decreases overall perceived Internet speed,” said David Ulevitch, OpenDNS CEO. “OpenDNS is focused on making the Internet better, and a big part of that aim is improving DNS speed. We remain committed to engineering new ways DNS can be used to make the Internet faster for our 30 million-plus users.”

OpenDNS is today used by:

  • More than 30 million people around the world, accounting for nearly 2% of all Internet users.
  • Fortune 10 organizations with globally distributed offices, primarily to secure their networks from malware, botnets and other threats.
  • More than 1 in 3 U.S. public schools, including some of the largest like San Diego, Baltimore, Detroit and Philadelphia public school systems.

About OpenDNS
OpenDNS is the world's leading provider of Internet security and DNS services, enabling the world to connect to the Internet with confidence on any device, anywhere, any time. OpenDNS provides millions of businesses, schools and households with a safer, faster and more intelligent Internet experience by protecting them from malicious Web threats and providing them control over how users navigate the Internet, while dramatically increasing the network's overall performance and reliability. For more information about OpenDNS, please visit:

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Allison Rhodes
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