Computer Network Services:DNS Example

• Lookup the IP address of www.cs.bu.edu

  • Contact the “edu” name server to find out the IP address of the “bu.edu” name server.
  • Contact the “bu.edu” name server to find out the IP address of the “cs.bu.edu” name server.
  • Contact the “cs.bu.edu” name server to find out the IP address of “www.cs.bu.edu”.

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