Domain names

Using a service like dnstools.com or the command line clients in DOS, answer the following questions:
  1. What is the IP address of the host with the domain name www.csudh.edu?
  2. What is the domain name of the host with the IP address 155.135.55.165?
  3. What is the domain name of the host with the IP address 18.7.22.83?
  4. What is the top level domain of the host with the IP address 18.7.22.83?
  5. What is the second level domain of the host with the IP address 18.7.22.83?
  6. Who is the technical contact for the csudh.edu domain?
  7. The popular social bookmarking host del.icio.us has a strange domain name. What is its top level domain?
  8. What happens if you use a Web client to retrieve this URL: http://155.135.55.94/fac/lpress? (This must be done from an off campus computer).

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