Profile: OpenDNS

OpenDNS Makes $20k/day Filtering Phishing And Porn Sites

OpenDNS, a San Francisco based startup founded by Minor Ventures and David Ulevitch, first launched in mid-2006 as a free tool to speed up web surfing and protect users from phishing and other malware sites.

OpenDNS isn’t exactly a sexy service. Users have to do some basic configuration of their computer to get it going, and once it’s running they rarely see it again.

The service now has 500,000 registered accounts. But the real number
of users is far more than that. You don’t have to register to use the
service. And a single registered account can represent tens of
thousands of actual users. Ulevitch says one school account has 36,000
users, for example. Another account, a hospital, has 5,000 beds and
wifi for patients.

The service resolves about 7 billion
DNS queries per day and serves about 2 million search pages per day.
Revenue from search pages brings in as much as $20,000 per day. They
currently work exclusively with Yahoo, Ulevitch says.

All that ad revenue lets OpenDNS offer its core service for free.
That means organizations can add spam filtering to their networks
without paying up to tens of thousands of dollars for competing
filtering solutions.

OpenDNS also uses their community
to drive new features and tag new malware sites. Users submit ideas and
vote on them in a Digg-like interface. And when a user blacklists a
site and tags it with a category, other users are asked to verify. If
they do, the site is added to the general category blacklist as well.

OpenDNS image
Website: opendns.com
Location: San Francisco, California, United States
Founded: November 1, 2005
Funding: $2M

OpenDNS is the world’s largest, fastest-growing DNS service provider.

Through innovative uses of the DNS the company is able to provide
free parental controls (porn filtering), phishing protection, and other
advanced services for consumers and… Learn More

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