Domain Name System

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Across
  1. 2. The format of these records is example.com. IN NS Hostname.example.com
  2. 3. User needs to have this privilege before installing DNS
  3. 5. _____ Directory is an ACCOUNTS DATABASE from Microsoft
  4. 8. The name of a record type that resembles the name of a weapon used in war
  5. 11. A DNS server to which other DNS servers send requests they can’t resolve themselves
  6. 12. It keeps a database of addresses of other DNS servers managing top-level domain names
  7. 13. Type of record that ensures host and domain are connected to its IP address
  8. 15. a load balancing technique where the balancing is done by a type of DNS server called an authoritative nameserver
  9. 17. A zone that is a noneditable copy of a primary zone
  10. 18. An A record (Address Record) points a domain or subdomain to an ____ address
  11. 19. This type of record is similar to the A record
  12. 20. This record points imap.example.com to mail.example.com
  13. 22. DNS installation begins by installing the DNS Server____
  14. 23. Number of record that need adjustment everytime the server's IP has changed if CNAME record is used
  15. 24. A zone that is similar to primary zone but provides fault tolerance
  16. 25. Active Directory stores your _____ accounts
  17. 26. To resolve a name to an address, a DNS lookup require multiple _____ to a hierarchy of DNS servers
  18. 27. DNS returns the _____ data for your network.
  19. 30. A list of authoritative name servers for the root DNS names in the internet.
  20. 32. A server must have this type of IP address before installing DNS
  21. 33. AAAA record resolves a _____ name to the correct location by means of the IPv6 address
  22. 35. DNS zones that is stored locally in a file .dns on the server
Down
  1. 1. In DNS, _____ means no single database contains all data
  2. 4. The easiest type of DNS lookup query
  3. 6. A DNS Server forwarder to which other DNS servers send requests targeted for a specific domain
  4. 7. _____ is a distributed hierarchical database composed mainly of computer name and IP address pairs
  5. 9. The first record in a database file is the start of ____ record
  6. 10. DNS can be describes as ____ tree structure
  7. 14. PTR records are used for the this type of dns lookup
  8. 16. The SOA defines the _____ server for a zone
  9. 21. Client sends a this type of query to a name server, and receive either the requested answer or with an error message
  10. 28. A part of MX record regarding mail server
  11. 29. In DNS, _____ means no structure on how information is stored and accessed in the database
  12. 31. Where must domain names be registered?
  13. 34. What happen to emails that are received from mail server that has no PTR record