A security company specializing in the Domain Name System has released a Windows version of a tool that encrypts DNS requests, which could be spied on to reveal a user's browsing activity.

The U.S. House of Representatives Judiciary Committee will conduct a hearing on the controversial copyright enforcement bill, the Stop Online Piracy Act, on Wednesday, the committee has announced.

OpenDNS, one of the Internet's most popular free DNS services, is now offering production-grade support for IPv6, an upgrade to the Internet's main communications protocol known as IPv4.

It's been almost a year since Google announced its free DNS service known as Google Public DNS, promising a speedier, safer way to surf the Web and sparking concern that Google would become the dominant DNS provider for ISPs and other large network operators.

For National Veterinary Associates, the decision to block the Web was sealed with a virus.

A group of developers has released open-source software that gives administrators a hand in making the Internet's addressing system less vulnerable to hackers.

OpenDNS has added a feature to its Domain Name System (DNS) services to fight a widespread worm, with help from Russian security company Kaspersky Lab.