Term 
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        Definition 
        
        | DNS server that hosts a primary or secondary zone for a particular DNS domain. |  
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        Term 
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        Definition 
        
        | Response from a DNS server that hosts a primary or secondary zone for the DNS domain being queried. |  
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        Term 
        
        | canonical name (CNAME) resource record |  
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        Definition 
        
        | Creates an alias to an existing A or AAAA record. |  
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        Term 
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        Definition 
        
        | DNS configuration option that refers queries to remote forwarders based on the domain name contained within the query. |  
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        Term 
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        Definition 
        
        | Names that map to individual countries such as .uk, .pl, and .it. |  
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        Term 
        
        | discretionary access control list (DACL) |  
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        Definition 
        
        | Enables you to specify which users and groups may modify the DNS zones and records |  
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        Term 
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        Definition 
        
        | DNS replication scope that copies DNS data to all DCs in a domain that are configured as DNS servers. |  
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        Term 
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        Definition 
        
        | DNS zone that stores its data in a text file on the DNS server. |  
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        Term 
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        Definition 
        
        | DNS replication scope that copies DNS data to all DCs in a forest that are configured as a DNS server. |  
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        Term 
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        Definition 
        
        | DNS configuration option that refers queries that cannot be resolved by the local DNS server to another DNS server on the same network or on a remote network. |  
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        Term 
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        Definition 
        
        | Zone that responds to client requests to map known host names to IP addresses. |  
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        Term 
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        Definition 
        
        | DNS server that will not perform any recursion after forwarders fail. If it cannot resolve a query by using its configured forwarders, it will return a negative response to the query. |  
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        Term 
        
        | full zone transfer (AXFR) |  
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        Definition 
        
        | Copying the entire contents of a DNS zone during a zone transfer. |  
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        Term 
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        Definition 
        
        | Maps an FQDN to an IPv4 address. |  
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        Term 
        
        | host (AAAA) resource record |  
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        Definition 
        
        | Maps an FQDN to an IPv6 address |  
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        Term 
        
        | incremental zone transfer (IXFR) |  
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        Definition 
        
        | Copying only the contents of a DNS zone that have changed since the last zone transfer to cut down on network traffic. |  
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        Term 
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        Definition 
        
        | DNS zone used for reverse lookup queries of IPv4 DNS records. |  
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        Term 
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        Definition 
        
        | DNS zone used for reverse lookup queries of IPv6 DNS records. |  
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        Term 
        
        | mail exchanger (MX) resource record |  
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        Definition 
        
        | DNS record that allows e-mail applications to locate e-mail servers. |  
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        Term 
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        Definition 
        
        | DNS resource record that maps a known IP address to a host name. |  
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        Term 
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        Definition 
        
        | Zone that responds to client requests to map known IP addresses to host names. |  
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        Term 
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        Definition 
        
        | Using the top-level Internet DNS servers to resolve a query. |  
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        Term 
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        Definition 
        
        | DNS domains that are registered to individuals or organzations such as microsoft, hp, dell, and so forth. |  
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        Term 
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        Definition 
        
        | Allows DNS records to be updated only by the client that first registered the record. |  
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        Term 
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        Definition 
        
        | DNS zone that stores its data in a text file on the DNS server. |  
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        Term 
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        Definition 
        
        | DNS zone that contains sufficient information to locate authoritative name servers for a DNS domain. |  
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        Term 
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        Definition 
        
        | Amount of time for which a DNS record is valid before it must be re-verified. |  
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        Term 
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        Definition 
        
        | Top-most domains in the DNS namespace hierarchy such as .com, .org, or .biz. |  
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        Term 
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        Definition 
        
        | Process of copying DNS zone data from a server hosting a primary zone to a server hosting a secondary zone. |  
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