OpenDNS

Start using the world's largest and fastest-growing DNS service. Make your network safer, faster, smarter and more reliable. It's free.

Security Insight Reliability

OpenDNS protects millions of people a day across hundreds of thousands of schools, businesses and homes. We block phishing sites, give you the power to filter out adult sites and proxies among more than 50 categories, and provide the precision to block individual domains.

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Customer Spotlight

OpenDNS customers span the spectrum. From small businesses to large, multi-national corporations, we're making the Internet safer, faster, smarter and more reliable for millions of people around the world.