DNS(all word are upper case)

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Across
  1. 7. The ISP server that looks up the IP for you
  2. 8. The very first, top-level set of DNS servers
  3. 10. Friendly name like "google.com"
  4. 12. A computer's numerical "home address"
  5. 13. Saved memory so you don't have to look it up twice
  6. 14. The ranked, tree-like structure of DNS
  7. 16. The "phonebook" of the internet (Abbr.)
  8. 17. A web of connected devices
  9. 19. Chrome, Safari, or Firefox
  10. 20. .com, .org, or .net are examples of this (Abbr.)
Down
  1. 1. The "final authority" name server
  2. 2. Common object DNS is compared to
  3. 3. What the name server does once it receives a query from the resolver
  4. 4. A machine that "serves" up web content
  5. 5. A formal search or request for information
  6. 6. Bridging the gap so humans and computers can talk
  7. 9. Total number of root server sets worldwide
  8. 11. An organized collection of stored data
  9. 15. To transform a name into a number
  10. 18. The company you pay for internet access (Abbr.)