DNS for IP address lookup

Danny Mayer mayer at gis.net
Tue Jan 11 02:51:53 UTC 2005

At 04:14 PM 1/10/2005, John Smith wrote:
>since nobody else responded, i will.
>if you type in an IP address anywhere for network connectivity, eg web
>browser, command prompt, even a news reader, no DNS (or WINS
>depending on situation) lookups are needed or performed - unless you have
>some sort of logging or some other feature that requires reverse lookups
>(ip address to name lookup).

If only that were true. There's plenty of badly written software out there
that will attempt to do lookups even though there's no need.
Just ask the root operators about the traffic that they see.


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