Public DNS Server Tool is a small utility for changing the DNS servers in Windows XP, Vista and 7 on the fly. It provides increased security, protection, and/or speed versus your ISP. You can use a Public DNS Server Tool to either set a group of DNS servers manually, or you can choose a preset pair of public DNS servers.
You can change the DNS server settings only for the selected network interface card. If you have more than one network interface cards, then you should choose the one you use to connect to the internet.
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