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Why do we need a DNS system when we can directly use an IP address?

Jenfer.C

by Jenfer.C on May 30th, 2008

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  • Karl Plesz
    Karl Plesz May 31st, 2008 Because it would be harder to memorize IP addresses. If I sent you to 72.21.210.11 to get the latest movie on DVD, you'd probably forget it once you got home, unless you wrote it down. But if I sent you to Amazon [dot] com, you'd be more likely to remember that.

    DNS just translates from the easy to remember name to the IP address.

    Another reason this is good is that if you have to change IP address for whatever reason, the name can remain the same as long as DNS gets updated.

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