In an attempt to further strengthen its hold on the Internet, the web search giant Google Thursday launched its own Public DNS - Domain Name System - resolving service that will offer Internet users an alternative means to connect to websites.

Precisely speaking, the DNS is what actually takes a user to the particular web site typed in its URL. For any site that the user wants to find, the typed web address is translated into corresponding numerical address of PC World's server, and the user is directed to the mentioned page.

By and large, DNS finds are automatically handled via the Internet service provider (ISP) of the users; but they can also use their own third-party DNS resolvers - like OpenDNS, Neustar, and the newly-launched Google Public DNS.

The third party DNS is generally not only faster and more efficient, but also more secure than the default ISP alternatives.

Meanwhile, though Google's DNS will not be open source, Google has said that intends sharing its experiences, for the purpose of speeding up the web round the globe. Further, it would restrict the data that it keeps and would not show any ads.

However, the OpenDNS founder David Ulevitch opines otherwise, and said: "You have to remember they are also the largest advertising and redirection company on the Internet. To think that Google's DNS service is for the benefit of the Internet would be naive."