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5. Networking > 49. Tweak DNS Settings for Faster Internet Access

Tweak DNS Settings for Faster Internet Access

Here’s a handful of DNS hacks for speeding up access to web sites.

You use the Web by typing in hostnames such as http://www.oreilly.com, but web servers and Internet routers can’t understand plain English words, so they need those letters translated into numeric IP addresses. Whenever you type in a hostname, such as http://www.oreilly.com, it needs to be resolved to its IP address, such as 208.201.239.37. DNS servers provide that name resolution automatically and behind the scenes as you surf the Web.

There are several ways you can hack your DNS settings so that you can get faster web access.

Speed Up Web Access with a HOSTS File

It takes time to send your request to a DNS server, have the server look up the proper IP address to resolve the name, and then send the IP address back to your PC. You can eliminate that delay by creating or editing a local


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