| Term 
 | Definition 
 
        | first level domains are organizational types such as .org .com |  | 
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        | Term 
 | Definition 
 
        | One of three top level domains there are .us .jp |  | 
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        | Term 
 | Definition 
 
        | registered to individuals or organizations such as microsoft.com |  | 
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        | Term 
 | Definition 
 
        | for a particular zone if its host a primary or secondary zone for a particular DNS domain |  | 
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        | Term 
 | Definition 
 
        | text-based zone file containing lists of mapping |  | 
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        | Term 
 | Definition 
 
        | text-based zone file containing lists of mapping |  | 
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        | Term 
 
        | discretionary access control list (DACL) |  | Definition 
 
        | enables you to specify which users and groups may modify the DNS zones |  | 
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        | Term 
 | Definition 
 
        | for Active Directory integrated zones which will only allow records to be updated by the client that first registered the record |  | 
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        | Term 
 | Definition 
 
        | to all domain controllers that are DNS servers in the local domain |  | 
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        | Term 
 | Definition 
 
        | To all domain controllers that are also DNS servers in the entire forest |  | 
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        | Term 
 | Definition 
 
        | resource record maps a FQDN to an IPv4 address |  | 
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        | Term 
 | Definition 
 
        | perfoms the same function as host (A) but for the IPv6 address |  | 
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        | Term 
 
        | canonical name resource record (CNAME) |  | Definition 
 
        | used to hide the implementation details of your network resource records from the clients connect to |  | 
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        | Term 
 
        | mail exchanger (MX) resource record |  | Definition 
 
        | specifies a server that is configured to act as a mail server for a DNS name. |  | 
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        | Term 
 | Definition 
 
        | is a positive answer returned to the client and delivered bit set in the DNS message to indicate the answer was obtained from a server with direct authority for the quiered name |  | 
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        | Term 
 | Definition 
 
        | resolves quieres for names that is not authoritive for or for which it contaains no delegation |  | 
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        | Term 
 | Definition 
 
        | value applies to all cached resource records |  | 
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        | Term 
 | Definition 
 
        | is a DNS server on a network used to forward DNS queries for external DNS names to DNS servers outside of that network |  | 
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        | Term 
 | Definition 
 
        | forwards quieries on the basis of a domain name |  | 
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        | Term 
 | Definition 
 
        | will not perform recursion after the forwarder fails |  | 
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