David Ulevitch

Founder and CEO, OpenDNS

Technometria: Remaking DNS
52 minutes, 24.2mb, recorded 2008-02-11
David Ulevitch

OpenDNS is the world's largest and fastest-growing DNS service. The service is used by hundreds of thousands of schools, businesses and homes as they navigate the Internet, blocking phishing sites and also the power to block adult sites, proxies and individual domains. David Ulevitch, the company's founder and CEO, joins Phil and Scott to discuss the technical issues of DNS and how OpenDNS operates.

David talks about how DNS began in the early stages of the Internet. He discusses the basic concept behind OpenDNS, as well as how the company develops its anti-phishing and other blocking capabilities. Instead of a sledgehammer approach like blocking software often uses, OpenDNS is community-based and ultimately can be totally customized by the network administrator. He also announces the service's latest capability, the ability to block domains using other types of tagging.


David Ulevitch is the founder and CEO of OpenDNS, the world's largest and fastest-growing free recursive DNS service. Previously, he founded the EveryDNS authoritative DNS service, today boasting more than 100,000 users. A longtime participant in the anti-phishing, anti-botnet and DNS communities, Ulevitch has been described as "one of the top DNS experts in the world" and was honored by Shadowserver - the public group that works to eliminate Botnets - by being inducted into its Hall of Fame. In addition to his commercial endeavors, he helped start the California Community Collocation Project, a non-profit that provides free, unencumbered Internet services to non-commercial entities. David holds a B.S. in Anthropology from Washington University in St. Louis.

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This free podcast is from our Technometria with Phil Windley series.

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