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You can utilize the hosts file to create website redirects to block certain websites or to create website shortcuts. Before the computer contacts the external DNS server, it checks the hosts file for the domain or host name you're trying to visit and, if found, uses the IP address defined in there to render the website in the browser.Ī Windows' hosts file configured with redirects and shortcuts.
#How to use namebench mac mac os x
Windows, Mac OS X and Linux all utilize a hosts file, which basically provides a simple internal DNS server. Though they could still visit any website they wish to, they'd have to enter its IP address in the browser, but even then they may encounter further issues since the website could contain content from other domains and still attempt to block them.Īfter performing this step, devices and applications that come preconfigured to use another DNS server should automatically revert to using your preferred server if theirs isn't reachable. Once you've configured the firewall as discussed and a user has manually configured another DNS server on their computer or device, normal Web browsing would be prevented for that particular device.
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One way to do this is to modify the network's firewall configuration. If your network uses DNS-based filtering, consider blocking other DNS servers. Again, this would bypass your preferred DNS, which can be an issue if you rely on DNS for content filtering.
#How to use namebench mac tv
To get around content filtering, users just have to configure static DNS addresses in the TCP/IP settings - very simple and straightforward if they know where the settings are.Įven if users don't knowingly change their DNS servers, some devices and applications - like Roku, Chromecast, Apple TV and certain gaming systems - have certain DNS servers configured by default. But users can change the DNS server settings on their individual computer or device, bypassing the network's DNS servers. Many companies use DNS settings to block inappropriate content from the network.
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Once you know which servers are the fastest, you can change the DNS addresses of individual computers by configuring static addresses in their TCP/IP settings, or apply these changes to an entire network by configuring static addresses in your router's WAN/Internet settings. Tests showed a DNS server from NTT was a whopping 1,794.1% faster than the ISP’s default servers. It also lists the addresses for the recommended DNS servers, with the primary being the fastest and the next two best servers as secondary options. In addition to giving you a table and graphical charts of the results, it will tell you which DNS server was the fastest and let you know the percentage of the speed increase compared to your current primary DNS server. If you aren't comfortable with using your browsing history, or for a more general test, you can optionally test against the top 2,000 websites from Alexa, an analytics provider.Īfter testing is complete, namebench will present a report. Using your browsing history, it tests DNS speeds for sites you've already visited, giving you a personalized recommendation for which DNS server would be fastest. Namebench performs testing to find the fastest DNS servers for your particular computer. The namebench utility has this GUI and is also available via a command-line interface.