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Range of IP addresses, DNS servers and points of contacts

How can I find out a particular site (for example IP address and whether this IP address will be constant. And also what is DNS and where would the DNS server be?

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A simple way to find the IP address is by just using a ping, i.e. ping There are several methods to find out more about a domains range of IP addresses, DNS servers and points of contacts. (1) If you run Linux run whois from the command line. (2) From the web use a tool like or

This was first published in May 2003

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